UtechSmart Venus Pro Wired MMO Gaming Mouse - 16K DPI RGB | 16 Programmable Buttons, Lag-Free 2.4G, 70Hr Battery, Ergonomic Grip, Optical Sensor, [IGN's Recommendation]
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Tuesday, Aug 11
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Color: Black
Features
- SENSITIVE DPI MMO MOUSEFocus on MMO gamers: this professional MMO gaming mouse built-in up to 16400 DPI, 12000 FPS, 1000 Hz polling rate, 30G acceleration, 100-150in/s cursor speed, and a high precision Avago sensor. It has an adjustable sensitivity level (range from 200 - 16400) built right into the gaming mouse. You can easily adjust the mouse sensitivity using buttons on the mouse. Great micro switches provide crisp, firm clicks.
- FULLY CUSTOMIZABLE MOUSE & RGB BACKLITVenus MMO wired gaming mouse with multiple programmable buttons (included 12 side buttons), 5 custom profiles each with 5 LED RGB colors backlit modes for quick identification of profiles and additional options for over 16 million LED RGB colors. The LED breathing light can be disabled according to your preference. Special Setting Switch Button on the bottom of the wired gaming mouse allows you to execute the switch profile command with maximum efficiency.
- PROGRAMMABLE MOUSE BUTTONSAll the macro buttons allow you to customize the functions to your specific needs and can be easily mapped to any of the usual keyboard keys, combos. Venus MMO gaming mouse with side buttons can be mapped to what will best fit your style of play are placed within easy reach of your thumb. Auto Fire button" is a convenient key for most games that can optimize your preferences. It makes gaming so much easier and even has the ability to increase your level of gameplay.
- PRECISE CONTROL IN YOUR HANDVenus MMO mouse is also an adjustable weighted mouse that comes pre-assembled with (2. 4g) x 8 weights inside. 12 buttons on the side are angled and can be positioned faster by touch alone. The Venus gaming mouse has a nice rest place on the left where your thumb can rest when not active. Comes with two durable smooth TEFLON feet pads for the bottom of the mouse to make the mouse slide better and bring the ultimate gaming experience for you.
- COMFORTABLE SHAPE & TEXTURED GRIP Ergonomic Right-Handed design with the frosted painting surface avoids hand sweat and slippery. The shape and texture on the mouse are extremely comfortable in the hand and the size is suited for most. That can keep your grip firm during gameplay. 6ft braided-fiber cable with gold-plated USB connector ensures greater durability. 18-Month Manufacturer's Promise.
Description
UtechSmart was established in 2013. Our founders have been thinking about how to integrate technology into the details of work and life to achieve efficient work and a better life. This is the definition of work-life balance. Our goal is to listen to you, to design and develop cutting-edge products, provide professional services, and bring convenience to your life with leading technology. UtechSmart Venus MMO gaming mouse is a high-precision RGB LED backlit programmable gaming mouse, it can be programmed according to each user's habits and preferences. You can change the DPI sensitivity (200 - 16400) with the button on top of the Venus mouse; 12 buttons on the side are programmable through using the mouse driver and macro feature. This is really useful for switching between the different play styles of games. The programmable LED light has variable shiny RGB LED light options and the mouse weight can be adjusted. This MMO mouse also has an excellent texture with a frosted surface for easy grip. It is comfortable in the hand, efficient and easy to use, bringing more freshness and excitement to gamer. Works great with games that have need for a lot of buttons at your disposal: World of Warcraft, Fortnite, Star Wars games, PUBG, Battle Royale games, and any FPS/MMORPG/MOBA or MMO games. Support Syterm: Windows 10 / 8 / 7 Vista / XP Note: Venus MMO gaming mouse can only be programmed on Windows, but the profiles will persist in the mouse, so the programmed buttons will work on Mac and Linux just the way you want it. For more functional settings, please visit our official website or use the Google Drive link below to download it. drive[dot]google[dot]com/drive/folders/1XT_WnYSKLPQ34y7YV2-lNsYnadpKEg8j For different MMO games and different gaming player's operating preferences, Venus gaming mouse can map the 18 programmable mouse buttons (total 19 mouse buttons) and assign macros to match your game, allowing you to easily organize the key binding and character capabilities of any game to meet multiple needs. 12 programmable side buttons adopt different inclination angles, which make them tailored to the pressing feel of the thumb greatly saving the player's operation time in-game. For work, Utech's mouse is also suitable for engineering. Many engineers use this wired PC gaming mouse for AutoCAD. You can program macros into your macro manager and assign them to each button to help you work faster. For example, try setting buttons for functions such as recording and saving. Additional Features The appearance of the MMO gaming mouse is ergonomically designed to fit the right hand and the frosted painting surface makes it more comfortable to grip. It also provides support for the thumb and ring finger, reducing the burden on the hand. The first-class Avago laser sensor in conjunction with the Omron micro switch for this professional gaming mouse achieves excellent accuracy, tracking speed and consistency, allowing a variety of game genres to be well operated. The wired laser 16400 DPI MMO gaming mouse comes with custom driver software with 5 programmable profiles and includes basic settings, DPI switching and colorful RGB lighting effects. The lighting effects can be adjusted by the brightness level and breathing speed. The lights appear in the front LED zone, the wheel, the 12 side buttons, and the "UtechSmart" logo of the mouse. Players can use the preset programming or configure according to personal preferences, simplify in-game perform complex tasks. At the same time, cool RGB lighting effects with 16 million colors bring you visual enjoyment! Two Teflon material foot pads have been added to the bottom of the tunable gaming mouse for durability and longer mouse life. Gold-plated USB and 6ft braided cable cord enhance the stability and strength of mouse signal transmission. The cable has a Velcro tie to avoid cable entanglement and for easy storage.
Brand: UtechSmart
Color: Black
Connectivity Technology: USB
Special Feature: High Precision Laser, Ergonomic Design, RGB LED Lights, Programmable Buttons, Adjustable weight, LED Lights, Adjustable Brightness Levels, Adjustable Breathing Speed See more
Movement Detection Technology: Laser
Connectivity Technology: USB
Additional Features: High Precision Laser, Ergonomic Design, RGB LED Lights, Programmable Buttons, Adjustable weight, LED Lights, Adjustable Brightness Levels, Adjustable Breathing Speed
Movement Detection: Laser
Button Quantity: 19
Hand Orientation: Right
Compatible Devices: Personal Computer, Tablet
Operating System: Windows System
Hardware Platform: PC
Power Source: Corded Electric
Mouse Maximum Sensitivity: 16400 dots_per_inch
Embellishment Feature: LED
Range: 5.0 meters
Color: Black
Style Name: Modern
Theme: Gaming
Enclosure Material: Plastic
Brand: UtechSmart
Model Name: DS-2535
Antenna Location: Office
Model Number: DS-2535
Manufacturer: UTECHSMART INC.
UPC: 521385508979 519305016345
Global Trade Identification Number: 79
Item Type Name: MMO mouse
Mfr Part Number: FBA_Venus
Warranty Description: 18 months manufacturer's warranty
Item Weight: 7.8 ounces
Item Dimensions L x W: 4.6"L x 3"W
Unit Count: 1 Count
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Aug 11
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black
Update: Nov 12, 2025 I have been using this mouse (now I have two and another brand but similar, Not Razers) for two years and I have no complaints. The office one that I use everyday (no games, just office clicking) have survived so far. Occasionally I have noticed that some of the programmed functions does not work. When this happens I open up the driver/program and resave. This seems to get the mouse back in line. - None of the buttons are bouncing so I am happy. - I have gotten used to the Program buttons so it is better. - I still have some problem with the mouse buttons 5 and 8 as described on the orig review. - Thumb rest still can be a bit higher so my thumbs is resting on the bottom row of buttons. Overall still a good mouse and if I need to replace this I would buy the same. Original Review: Oct 2023 I have several Razer Trinity wired Mice. They are on all my computers. I do not play games bit I like to program the buttons to do may of the repetitive clicking like copy, paste, cut and so on. All of the Razers, the left button/clicking started to bounce and I slowly replaced with cheaper mice from my used drawer. Razers are not cheap. When the mouse from my main computer started to bounce, I decided to buy a new programmable mouse. (I prefer wired although a bit clutter but I loose the dongles all the time and do not want them anymore, be it Logi, Razer, Utech or 3-D connection. I have so many and all take up a slot.) I read all the reviews that had more than 10 reviews, haha, and found this with 4.5 review with 5% 1 rating. I bought one to test it out before I buy more for the other computers. I am very happy with my buy. The shipping from Amz is always been fast but the mouse was works well. I use the 12X side buttons on Razer (why would you include 3 side to increase the price and they are cluttered in the drawer) so I duplicated the button assignment. They work well and due to my experience with the other mouse it was easy to reassign all the buttons. There was a bit of nomenclature difference so just a little stumble but ok. The mouse worked similar to Razer and will buy more after few more days. With Razer I have to download a large software to have the mouse working but with Utech (wired) the directory size is 11.6 Mb Vs 948Mb for Razer. (Geez, Give me a break!) I was surprised to find that just a driver was able to do this. I attached the screenshot for FYI. Now I have not used it much, only 1 day, so I will update as time goes. I did have an event when I clicked one of the buttons, it went to "Show Desktop" which is one of the buttons programmed. This could be that I am not used to the mouse. I will see if this happens or if other buttons misbehave. Too early to tell. This is for the Utech people or others on my thoughts: - The USB connector is long compared to Razer so it sticks out. I think being shorter does not detract from the function so should be shorter. - The cord is much thicker and stiffer so I was a bit disappointed. This also should be able to be smaller and softer. - The "Fire" button next to the left click is nice extra and works as an "enter / double click" but for me it would be much better if it was about 1/4 inch or 6 mm closer to my finger so it can be clicked easier. I honestly do not think it will interfere with left clicking - The clicking pressure is a bit more that Razer but I am sure I will get used to it. - I like the "Thumb rest" but would be better if it was raised about 3 mm the thumb is already closer to the buttons. The buttons have some pressure resistance so this would not be a issue with accidental clicking. I put a silicone foam pad to raise it and have more comfort. - The slant on the right side of the mouse can be more vertical so I can pick up the mouse with my thumb and 3rd finger in case you want to. This would not interfere with molding the case. I put another foam pad to aid in comfort and friction but due to curvature, pad is lifting off. - There is a "tactile rise" on the 5th and the 8th button but I would have preferred it a bit higher. Although it is there, I could not feel it much. They did put some thought into it so this is good. Razer does not have it so even after years of use I sometime look down. So far this is it. I like to add some follow up after more use.
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Reviewed in the United States on October 9, 2023 by Gardener
Color: Black
I have never heard of UtechSmart, but I needed a new mouse and wanted an MMO-mouse. The cost of the mouse is what I saw first, so figured even if it was a bad mouse, it would not break the bank and I could try again. Well, I was completely surprised by what I received after I bought the mouse. This thing is quality and feels great. The texture on the mouse is like a soft rubberized super-fine grit "sand paper". It feels absolutely wonderful to my fingers and hand, my favorite mouse texture to-date. The mouse comes with several small 2.4 gram weights in a simple and sleek container, and I found my comfortable weight. They are easy to install with a simple twist open/lock opening on the bottom of the mouse. The mouse wheel has a nice soft "bump" feeling. When I scroll quickly, it is barely noticeable, but when I slow down it is easily felt. I like this kind of mouse wheel action, I find the heavy bump/clicks of other mouse wheels distracting at quick scroll movements. The Wing and shelf on the left and right side respectively are fantastic. I had a Cyborg RAT 7 years ago, and while that mouse had its issues, the thing I absolutely loved about it was the wings on the left and right of the mouse to keep my thump and ring/pinky finger off the mouse pad/desk. The only thing I wish this mouse had was a wing on the right to keep my pinky off the mouse pad/desk instead of that shelf that only fits my ring finger. However, compared to other mice on the market, this is leaps and bounds better for my fingers than anything else I have found. Words cannot describe how annoying it is to have your fingers drag across your mouse pad or desk until you have had a mouse that prevents that completely and then you go back to a mouse that does have it. You notice it, all the time. I love this things thumb wing and finger shelf. The main two buttons on the mouse have a nice "click" and are responsive. I do not have any issues with miss-clicks, but can easily click when I need. It is a comfortable level of pressure to activate the switch, and I have not had any issues with activating it when I did not mean to. The side buttons are easily reachable with my thumb, and the pattern they are set at, the 1-3 and 4-6 dip inward towards each other so there is a little "valley" along the bottom of 1-3 and the top of 4-6. This is repeated with the 7-9 and 10-12 keys. The bottom of the 5 and top of the 8 also have a small bump on them, like the F and J key of a keyboard to further help identify where your thumb is. It is easy to "feel" where you are, and the individual buttons along the valley, making them extremely easy to activate the correct button without ever looking away from your screen or having to shift your grip on the mouse. The last button, the small "fire button" as they identify it in the product images, is easily reach by your index finger. I use this for my "Oh crap" button in MMOs or similar. It is positioned in a way that I do not accidentally activate it with my mouse grip, but can be activated by simply rolling my index finger slightly and applying a bit of pressure. The software is easy to use, though the GUI is a bit "meh", which is not enough of an issue to take a star off. The interface is easy enough to navigate, set DPI marks for the DPI quick-change button on the mouse. You can change the lighting of the mouse using a color palette or a color "wheel" or by hex code. Brightness is controlled through an Off/Low/Med/High set of check boxes. Wished for changes: I wish it had a wing, or extended "finger shelf" on the right like it does on the left to keep my pinky off the mouse pad/desk. I really dig this mouse and have recommend it highly to my gamer friends, I know two of them have actually picked one up and they love it as well. If you are in the market for an MMO mouse, I cannot recommend this one more highly.
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Reviewed in the United States on May 7, 2017 by Cassean
Color: Black
Correction to this review - the original mouse I purchased of this 9 years ago was the best I ever used and in the 8 years never once had a double click/drag and drop problem or anything. But I've just purchased 2 of these over the last 4 months and after a couple of months the first mouse started getting the ole drag and drop issue (it's the most annoying mouse problem to have, I would rather a mouse malfunction or stop working all together). I purchased a second one and after a month it's getting the drag and drop issue as well. That's unacceptable. So this is no longer that awesome product that it used to be, so I'm switching the stars from 5 to 3, which is probably too generous, but it still has some residual from the initial one I purchased 9 years ago. I'll leave my original review below, but it's crazy because it's doing all the things I hailed this mouse for not doing. The Razer mouses at least took a year before they'd start giving me such problems. I'm going to purchase the other well reviewed Redragon mouse to replace this and hopefully I can have a good mouse again. Best Mouse I've ever used. I've been without it for the last 8 months and have been settling with a Razer BallSack for the time being.... while a pretty decent mouse this Utech mouse blows it away. In the over 8 years I had the mouse I never ran into any double clicking, folder dragging problems that commonly happen with the Razer mice after duration of use. And the only reason the Utech went bad on me is it had a pretty hard drop on the ground (it wasn't a fit of rage or anything, but It caught on something and it catapulted into the ground. I'm surprised it's taken me until now to get it back... since it's such a cost friendly mouse as well, yet it feels, looks, operates like a beast. Update - likely not the manufacturers fault (unless it's a common echo of being a problem), but this second mouse I received was missing the cover that goes over the light sensor. Didn't initially pose an issue, but now it is and I need another one. So do I go back to the tried and true (except for this time, but I'm pretty sure it was damaged and repackaged somewhere in the supply chain, which is a peeve of my mine in Amazon reviews when a reviewer trashes a product when a seller sent them a used one when it was supposed to be new, etc which in most cases is a seller review issue not a product issue, unless it's their product, but I digress) or do I get risky and choose another well reviewed one... almost everytime I get cute and get something else reviewed as good or better (across the board it could be packing tape) it's almost always a step back, so we'll see. But in the meantime going back to the Razer Basilik mouse on hand (currently for $40, which is overpriced), is such a noticeable step down from this mouse in every way.
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Reviewed in the United States on April 9, 2025 by Jason
Color: Classic black
Okay. I want to start by saying this is the best mouse I've ever had. I've bought it twice. After getting used to the button config - and the software which includes things like sensitivity and macros - which imo is pretty decent bordering great, this mouse has given me almost everything I could wish for in a mouse. I love the weight, the precision, the functionality, and the ergonomics. That said, even though those were very reasonable life cycles, both times the end of the mouse's lifespan have been because of the battery. I understand this is just something that happens with batteries after a specific number of charges or "cycles". In my know nothing opinion as a consumer, what would make this perfect is if it either took standardized size rechargeable batteries like AA's, or if you had a specifically well made battery pack that I could purchase from you when the old one inevitably goes bad. Other than that, fantastic product and I congratulate the engineer. In my know nothing
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Reviewed in the United States on June 5, 2026 by Matthew Faille
Color: Classic black
I bought this mouse four years ago, seeking a cheap replacement for a Razer MMO mouse that had failed. It's July 2025 now, and I bought it in July 2021. It's the best, most versatile mouse I've ever owned! Normally you get what you pay for, but I'm here to tell you, this inexpensive mouse easily outperforms $120+ mice, and outlasts them, too. The picture in this review was taken today. As you can see, it's still in great shape. Durability: I have used this mouse almost every single day since I bought it, for both work and gaming, and it's been absolutely bulletproof. Keep in mind that bought this mouse FOUR YEARS AGO, and it still works just as well as the day I took it out of the box. It's the single most reliable computer peripheral I've ever owned. Customizability: It comes with an easy to use companion app to program what the buttons do, and every button is customizable in a variety of different ways. Plus, you can save multiple button configurations to the NVRAM on the mouse so that if you don't want to run the app, you can close it during gaming sessions. The colors and brightness are also fully customizable as well. It does NOT have have customizable weights, but for me it has just the right amount of heft. (I dislike lightweight mice anyhow, to me they feel really cheap and I find them harder to control, but that's just a personal preference.) DPI control: Also customizable through the app, you can choose the sensitivity of each DPI setting. There are five levels, all displayed on the mouse LEDs, showing 0-4 lights to show what level you are on. Not only are these settings customizable, but you can have different sensitivity levels per profile. To be honest I don't use this feature much, except in FPS games when I want to lower sensitivity to line up a snipe or something, but it's neat to have. Wireless / Wired: I love that it works both wired or wireless. It changes on the fly in under a second so if you forget to plug it in for a week and the battery happens to give out in the middle of a gaming session, just plug the USB in and it's back up and running instantly. Plus, there's no noticeable input lag in either mode. Size / Comfort: It fits my hand perfectly, but I think it might be a little large for someone with very small hands, so keep that in mind. It's got a very wide feel to the grip, with a little shelf for your left thumb to sit on, and a gentle groove for your ring finger to rest in which ends up feeling like a weird hybrid of a claw grip and a palm grip. (Claw, because of the way the mouse has a groove for all your fingers, and palm, because it's wide and easily controllable by moving your whole hand palm grip style, versus using your fingertips. The mouse fits your hand like a glove to a certain extent, because it's not flat, it's contoured for each of your fingers and even the gap between the third knucke of your forefinger and middle finger. Other considerations: The thumb buttons require a little bit (but not too much) force to actuate, so I haven't ever pushed one by mistake. The extra button that sits just to the left of the left click button is also fully customizable and that's a really fantastic feature to have, because it gives you four items you can click with your fingers, and twelve different items you can click with your thumb, for a total of sixteen functions. I've also gotten a mouse that looks almost exactly this one that's from RedDragon, so my guess is that this hardware might be made by a third party and the licensed to multiple companies. The RedDragon mouse only lasted me a year, though, while this one is in for the long haul. Long story short, if you need a mouse with a lot of thumb buttons, get this one. Not only is it less expensive than competing high-end MMO-style mice from Razer, Corsair, SteelSeries, and Logitech (I've bought 'em all!), it's better, too.
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Reviewed in the United States on July 19, 2025 by Kai
Color: Black
Amazing gaming mouse. High polling, lots of customization, and the side buttons are good. Best drag clicking and very controllable double clicking. Love the rgb. Not super light but it’s good enough. Scroll wheel is awesome! Highly recommend, worth $50 and has so many keybind opportunities.
Reviewed in the United States on July 2, 2026 by PC Build
Color: Black
So my first impression looking at the box made me worried. It looked like a typical walmart offbrand design with bold arial font and red lettering like it was supposed to be some cool hi-tech product you could compare to Razer or Logitech. It didn't fool me in the least, and my heart sank because I depend on amount of reviews + star rating, and I know Amazon has some funny tricks when it comes to products being rated highly despite poor quality products. I opened the box, and immediately set the thing on my lap and - despite odd looks from my friend who was there - started clicking the buttons and getting a feel for them. From the get go, I was satisfied with the click feel and its responsiveness, the location of the buttons, and (most importantly) the size of the mouse. I have large hands, so I'm not sure where some reviews are coming from by saying large hands aren't recommended, but the mouse fit perfectly without me resorting to an uncomfortable grip. I wasn't quite convinced yet, so I plugged the puppy in and popped the CD in to install the driver (and eventually update it online). If you're a gamer, or anyone who has worked on a computer for at least a year, the software was easy to set up and understand. You should know how to unzip files, install basic programs, set your DPI, navigate basic menus, and understand basic terminology. It's not rocket science, and therefore the setup was a breeze. It's a basic program with little to question, and I've already got it pulsating red like a black gaming setup should (in my opinion, heheh). I was worried the number pressing might be a problem for my big thumb. It's... not perfect, mainly because of my thumb, but with enough practice I have no doubt it should be as easy as any other mouse I've had, and this is coming from a Logitech fanboy. Yes, yes, Razer is fine too, but for the price and the quality I can't deny that this is a quality mouse. The texture on the left and right click is satisfying as it allows for a good grip despite sweaty hands, and the fire button just to the left of the left click makes it an easy reach in case you want to program it as an ultimate ability in gaming (or an undo button in graphic design, for instance). Programming buttons, by the way, is very easily customizable, and with enough options to choose from I'm satisfied that any need I have to satisfy can be done with this mouse. Even the DPI arrow buttons under the scroll wheel can be remapped, which is great when you're like me and like to have as many buttons mapped to your mouse as possible for ease of use. As far as the entire shape goes, it's comfortable for my large hands and the thumb rest is a nice touch so you're not rubbing your mouse pad all the time. On the opposite side, there's a protrusion that allows you to rest your ring finger there so it allows you to have a stronger grip on the mouse itself, which should be an important feature in any gaming mouse. Overall, this mouse is one of the better mouses I've had the pleasure of using. The weights came already installed and, again, as a big handed fellow, I like the heavier weight so it has some give to it. The material it's made out of has a nice tactile feel so that it won't slip out of your grip, and while having color pulsating from the buttons isn't a necessary aspect to a gaming mouse, it's still pretty cool. I write this review having had my heart drop with worry that this mouse wasn't going to cut it and I'd have to return it like some cheap knockoff, but I'm pleasantly surprised. The drivers were easy to find, and I have no doubt if I needed customer service to help out they would. I feel like I invested well into a cheap but quality product. Don't take my word for it though, if you're a gamer with a hunger to customize macros and assign functions to your mouse (or even a graphic designer who hates memorizing hotkeys) you should try it out yourself! You won't be disappointed. Update: when these things lose functionality or get worse for wear, I've found myself buying another one of these things. I'm super glad they're still making these because it's my favorite mouse! Thank you!
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Reviewed in the United States on May 15, 2019 by Micah
Color: Classic black
Update: Mouse is still working just as well 1.5 years later, with all the same annoying quirks as well. Probably the biggest annoyance with it is that it gives zero indication that the battery is running low, so you'll be busy moving it around while working, browsing the web, or gaming, and it will suddenly just stop working. This is extremely annoying at a minimum and potentially very problematic if it happens at the wrong time, e.g. when gaming, and is just poor design. This is one of many reasons I prefer swappable AA/AAA batteries, but either way, a battery-powered device *needs* to provide the user with some warning when it's getting low. And I'd say it probably only lasts a week or two between charges, and feels like it's lasting less time than it used to, so the *non-replaceable* battery is likely already degrading. This is the same reason I can't/won't replace my keyboard that I'd like to replace, because I refuse to get one with a built-in battery, which they almost all do now. =============== ORIGINAL REVIEW =============== TL;DR - Excellent mouse, far superior to the Redragon M811 PRO, highly recommended and best I've found. Would be 4-stars except for poor/cheap USB charging design which requires charging from a computer, NOT a regular charger, and is almost certainly the reason for *numerous* reviews stating their mouse won't charge. I bought this and the Redragon M811 PRO together as they are very similar and I wanted to try both to see which I preferred. I was looking for a replacement to my Logitech G602 which has cheap, crappy buttons (two of them have the same exact issue where the side buttons don't click well; Logitech quality is not good IMO). The main and most obvious differences in these mice are the side button layout and the shape and finish, both of which will be personal preference. I do somewhat like the side buttons on the M811, due to having the back/forward buttons separate and larger, but that also means two fewer buttons for other things, and so ultimately I find I prefer the Venus Pro. That said, both mice have the same issue with the smaller buttons, which is that there's nothing distinguishing them, like the raised bars on the F/J keys, so you have to feel your way around to know where you are. It's not terrible by any means, but there really should be some tactile differentiation between some of the buttons (technically there is, as the 5 and 8 buttons have bars on them, but they're so subtle they may as well not even be there). As for the finish, I personally prefer the rougher, grippier surface of the Venus Pro over the smooth, glossy surface of the M811. I find the Venus to be easier to grip and to just feel more secure in-hand. I also slightly prefer the shape/ergonomics of it, which I find fits my hand a bit better and also results in my accidentally right-clicking less, which I do much more with this mouse (could also be a difference in the pressure required to activate the top buttons) when using it off the mouse pad, e.g. on the chair arm. I initially used the Venus, then switched to the M811 for quite a while, and it just never quite felt as good, and when I finally switched back to the Venus, it instantly felt better. But the biggest reason I prefer the Venus, and why I got fed up with the M811 and quit using it completely, is that the range on that one is terrible, while the Venus does much better. With the dongles plugged into a hub on the underside of my desk, both mice would work fine on the mousepad directly over it, but if I used them on my closed laptop (on the lid) sitting next to the mousepad, the Venus would work just fine and the M811 would have trouble. This is with the receiver a mere 14-18" away. And with the receivers plugged into the computer sitting just a few feet away (and plugged into the IO port, which is facing me and the mouse, and with no case to interfere, as the "computer" is currently set up as a test bench/open air system), the M811 was struggling immensely, to the point it was barely usable. The Venus, conversely, has almost no issues. One thing I like about this mouse (the M811 may be the same, but I didn't get around to testing it) is that the button configuration is stored in the mouse, so once configured on one computer, they will work the way you set them to on any other. One minor issue I've found with the Venus is that the scroll wheel (which sadly doesn't have tilt-clicking functionality, something I find to be uncommon which is very unfortunate) slides a bit from side-to-side, and I'll sometimes find that when I'm scrolling, it feels a bit gritty/stiff, and I have to slide it over to get that to go away. I'm not talking about the detents, as it has the "clicky" scrolling (another unfortunate missing feature is the inability to switch to smooth scrolling to make it easier to scroll very quickly), but rather a grittiness on top of that. The biggest issue, though, is with the charging. The reason I went so long using the other mouse wasn't just to give it a fair shake, but because I switched when this mouse died, and I couldn't get it to charge. I ended up contacting support after I tried two separate chargers and cables, and they suggested I charge it with the supplied cable plugged into a computer (to their credit, they responded quickly and assured me they would refund my money if it didn't work). I lost track of the cable, but I tried another one, this time plugged into the computer, whereas both my previous attempts were using regular chargers, and it worked. What this tells me is that they've designed the charging circuitry out of spec, and it requires signal/voltage on additional pins that isn't there with standard chargers. Considering the whole point of USB is to be *universal*, and that USB-C particularly is supposed to standardize the mess of chargers and cables, I find it extremely frustrating when companies cheap out and create products that *appear to be* standardized but in fact are not, and therefore require specific chargers or charging scenarios, all to save a few cents. This is the second USB-C device I've bought, thinking I could just charge it with any USB-C charger, that I've run into this issue with (and both are from Chinese companies). Furthermore, there are a LOT of negative reviews for this mouse saying the same thing, that it won't charge. How many people are wasting time and money on this, returning the mouse and/or buying a different one, leaving negative reviews, all for something as stupid as this, because the company not only didn't follow USB specifications but clearly aren't paying attention to reviews to see the issue and at least make it clearer to consumers what's going on (though, ideally, they should just *fix* the issue). So the Venus Pro is by no means perfect, but between it and the M811, there's just no contest, and it's the only mouse I've found that has the feature I want, particularly the multiple side buttons, and isn't plagued with bad reviews. If they would just fix the charging issue (I personally prefer peripherals, including mice, that use AAs so I can use rechargeables that I can swap out and instantly be back at full power, without having to deal with cords at all, but it seems they're moving away from that unfortunately) this would be a 4-star mouse. Adding tilt and smooth-scrolling functionality to the wheel, and improving the wheel so it doesn't shift side-to-side resulting in the grittiness when scrolling, as well as improving the side buttons with some sort of (better) tactile way of telling the buttons apart, it would easily be 5-stars.
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Reviewed in the United States on January 14, 2024 by S