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Kensington

Kensington Wired SlimBlade Trackball Mouse (K72327U), Black

    • Based on 2,031 reviews
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Availability: Only 10 left in stock, order soon!
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Arrives Saturday, May 4
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Features

  • Low-profile shape and silver metallic finish deliver ergonomic comfort and beautiful aesthetics
  • Requires less arm and wrist movement (for better comfort) and takes up less desk space than a traditional mouse
  • Laser tracking delivers precision cursor control
  • Ambidextrous design
  • Free downloadable KensingtonWorks software provides button customization

Description

Want to improve your productivity, increase cursor control and save desktop space? Look no further than a trackball from Kensington-the world leader in trackball innovation. All Kensington Trackballs can be fully customized with Kensington TrackballWorks software to customize the functions of each of the buttons found on Kensington trackballs. The result is a more productive and truly personalized computing experience. Set your preferred functions or keyboard shortcuts for each trackball button or combination of buttons, adjust the pointer speed and acceleration and do so much more. Best of all, by allowing you to personalize your trackball experience, TrackballWorks makes your trackball work the way you do.


Brand: Kensington


Color: Black


Connectivity Technology: Wired


Movement Detection Technology: Trackball


Number of Buttons: 4


Product Dimensions: 6 x 5 x 3.5 inches


Item Weight: 11.2 ounces


Item model number: K72327EU


Batteries: 1 AAA batteries required.


Is Discontinued By Manufacturer: No


Date First Available: January 1, 2006


Manufacturer: Kensington


Language: English


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If you place your order now, the estimated arrival date for this product is: Saturday, May 4

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Top Amazon Reviews

    • Potential, but not quite there depending on your setup
I decided to enter the realm of trackballs. This decision was not predicated by me suffering from RSI. Rather it was the thought of better managing my workspace. I'm currently running a 2016 MacBook Pro with a 5K and 4K monitor. All three are fired up when working. The monitors are all set to pretty close to the highest resolutions possible. So that accounts for a lot of real estate to move through! To counter this, I was using a Logitech G502 Proteus Gaming Mouse. The thing rocked for 2 main reasons: high quality scroll wheel and high DPI (1200). This allowed me to move relatively well across the monitors. However, when doing that, I needed alot of deskspace still to move around effectively. It dawned on me that if I got a trackball and could adjust to it, I could simpilify my desk even more. Having made this decision, I did some research and decided on trying the Clearly Superior CST2545(L-Trac), the Kensington SlimBlade, and the Logitech M57. I've listed all the reviews for the items in this review so it is easier to compare for those that are in the market. In the end, the CST2545 won out. And while it won, it is by no means perfect (it is a solid product). -------- Kensington SlimBlade - 3 Stars The Kensington SlimBlade is nice looking trackball. It comes thoughtfully packaged and even has a nice piece of tissue paper protecting the ball. Set up is super easy. Just plug it in and go. The first thing I noticed was the noise from the ball moving. Okay, maybe there is a bit of break in. Despite the noise, the movement of the ball is surprisingly smooth and has a nice weight to it. Twist scrolling? Seems pretty cool. Initial thoughts were positive. Buttons? Big and functional. Cursor movement? Slow. Not Logitech M570 anemic, but nevertheless slow. I knew that I would need to install their "customization package." to remedy this. Unlike the Logitech M570, the install process is a bit of a mess. First of all, you end up downloading a file named "a7d905eb-8a38-49e5-b25a-11d59a7e765f.dmg.dmg". Huh? Looks totally dodgy. After you install, the actual software looks like a 3rd grader put it together (sorry for the insult there kids, you probably could have done better). I adjusted the cursor speed. And even better, I could remap the buttons on the SlimBlade. Okay, now we're in business! Or so I thought. The sound of the trackball moving I originally mentioned? It still persisted. I posted a question about this and people indicated ths should not exist so I got a replacement. The second unit still exhibited this problem. I could actually overlook the noise (which was slowly diminishing each day). There were a couple of items which made this unusable for me. While I managed to get the cursor speed up so I could easily move around the screen, I found the cursor jumpy and inaccurate. I could not properly select text/insert cursor into text or manipulate pixels. I also started to find that the Twist Scroll I originally liked suddenly became my enemy. I'm a dev, so I do end up selecting text and then copying/cutting it around quite often. Depending on the editor I'm in, I'll use different techniques to do this. One way happens to be the select and then using the scroll wheel to scroll the text downwards. The unfortunate thing is this action usually results in also moving the trackball. So for me, it was ending up with sections of highlighted text that were incorrect. PROS: -Nice design -Trackball movement is smooth with a nice weight CONS: -Trackball is a bit slow in default settings -Trackball, when cursor speed is scaled up, has poor precision when moving when trying to do precise things -Twist Scroll while seemingly a great concept, can result in issues of trackball movement. So if you performing actions which "chain" on top of the scrolling, you may have issues -Customization software is terrible -Trackball is noisy. Noise will subside. When I returned it, it was still present, but I do believe it would have eventually diminished to the point of not being noticeable -------- Clearly Superior CST2545 - 4 Stars There are many products out there that believe in form over function. Then there are products that forgo any form of aesthetics and cater the needs around functionality. Enter the CST2545. This is not one of those items you are going to conspicously leave on your desk so when that hot date that stops by later she'll notice and say "OMG, is THAT the CST2545"? It's more likely to get a "Oh, you didn't mention that you live with your Dad." instead. There is really no walking around it. The CST2545 looks like a relic. When researching trackballs the CST2545 caught my eye because of higher CPI, people talking about build quality, and it being made in the USA. When I received it, it came in an unassuming box. It comes with a CD, which doesn't mean much if you're on a Mac, which I am. Hooking up is easy. It just works. Upon first usage, I noticed cursor movement was a bit slow. There are no drivers required for this device. The default setting is 800 cpi. What I wanted was 1600 dpi. To change the settings you hold the center button and then press the right button to change. The LEDs are off for 400, red for 800, and green for 1600. The LED is on the back of the device, so you need to turn it to see it, which I find a bit cumbersome. Once set to 1600, the thing worked like a champ. The issues I had had with the other trackballs I used was gone. I had the speed I needed and it was pretty precise when needed. Previously where I'd find the wrong text would get selected or other mishaps whilst using other trackballs, this one provided me with accurate selections and even pixel manipulations. However, I did notice one thing. The ball did not feel smooth and was loud. I ended up calling the company and was pleasantly surprised to find how helpful they were. They had indicated to me that they actually had an issue during production that could be the cause. They thought they pulled all the items with the part, but mine might have slipped through. They said they would replace it for me directly so they could be sure I got a model which was fine. Awesome! The unforunate thing here was that while it was a little bit better, the roughness/loudness is still there. There are times when I work where I need total silence to concentrate. During those times, I'll turn off all music and work. And this is when it's pretty evident how loud moving the trackball is. Keep in mind, that it may not bother everyone, but it does bother me. However, I don't always need to do this so the overall pros of the product beat out this by a long shot. One other thing that has been concerning me as of late is a mystery cracking noise it will make when initially using the trackball at times. I'm not quite sure what it is, but it sounds like maybe the roller moved out of place and then back? I'll probably eventually take it apart to see, but it does raise my brow a bit on build quality. PROS -Works really well for multi-monitor setups -Moves quick when needed and maintains precision when needed -Ball has a good weight to it for scrolling -Fantastic customer service -Nice scroll wheel. I have used better. If it was weighted, it would give it a bit better of a feel CONS -Not a visually pleasing form factor -Ball movement feels rough and is noisy -Have noticed some cracking at times which does make me wonder about longer term viability -Seeing LED setting for resolution is hidden. It would be helpful if you actually could see the status more easily -------- Logitech M570 Wireless Trackball - 2 Stars The M570 has a lot of advantages for it coming out of the box. It's shaped and roughly sized to be mouse-like, which makes adapting to it super easy. The buttons are where I would "naturally" expect them, and while the trackball on the thumb seems odd at first, I found it pretty quickly to adapt to. However, once you start using the device, you realize one glaring thing. This thing feels cheap. It feels like an item that would need replacing in a few short years. Next, I found that moving my mouse on screen was rather anemic. Part of this no doubt has to do with my setup. The combination of the small diameter of the ball plus the amount of distance led to one unpleasant experience. To move across the screen, I'd have to spin the trackball with my thumb like a mad man. While I generally don't like to install the driver/customization software if needed, I knew I'd need to do so in order to make this work well. Installing the SW was a snap and I quickly found the settings to adjust the speed settings. I found a setting that seemed to work well and went back to doing things on my computer. What I found was that although the speed of moving the cursor was indeed zippy, it jumpy and inaccurate. This became especially apparent when I needed to some items which required more precision like clicking to insert the cursor into text or wanting to manipulate some pixels. I believe the issue stems from the speed adjustment really being just a scale factor. If they are slick, they have also tried to account for time and acceleration as well to try and better predict when you want speed versus precision. One would believe they are, since they do have a setting for "pointer acceleration". But perhaps the aren't doing anything in regards to better managing when you need more "precision". In the end, I found the Logitech M570 unusable for my case. To be able to manage scrolling around with different monitors required me to jack up the speed settings but as a consequence I would loose precision of movement when needed. If I took the opposite approach and lowered the speed setting, I would be too frustrated by the experience of moving the cursor around. PROS -Nice and compact form factor -Familiar form factor to those coming over from a mouse -While thumb control for trackball may seem odd, it is surprisingly easy to get the hang of -Software easy to install and "looks professional" CONS -Cheap build quality -Trackball is slow with default settings -Trackball, when pointer speed is adjusted upwards, has poor precision when trying to do precise things NOTE: I realize some people will indicate that I should not be able to manipulate pixels with a trackball. I realize that. I have the tools to do that. This is for some quicky stuff I need to do where a trackball should be more than suffice to manage. ... show more
Reviewed in the United States 🇺🇸 on April 3, 2017 by BL
    • Good Software; Superb Hardware
UPDATE (16 October 2010): Kensington released their TrackballWorks in June of this year, which release enables users to customize the Slimblade Trackball's four buttons, adjust pointer speed/acceleration/function, and other features. The pointer sensitivity is much improved, though still not as good as the pointer sensitivity module found in the venerable MouseWorks software. On the other hand, the ability to customize the four buttons of the Slimblade Trackball is a welcome (and much needed) improvement. This device should have shipped with this software. The advent of programmable buttons places the Slimblade Trackball in a category of its own. It surpasses by a wide margin the ergonomics and aesthetics of the Expert Mouse. The scrolling function is superb, a perfect complement to a trackpad device. I am surprised by how much the Slimblade Trackball just "disappears" while I am working with it. My only complaint is that the buttons are sometimes too sensitive, something that can be avoided by adjusting how much resting pressure one places on the device's surface. Those of us looking for an attractive and elegant multifunction pointing device need look no further. The Slimblade Trackball now has software worthy of its stunning good looks. (The previous version of this review rated the Slimblade Trackball at 2 stars, was found helpful by 190 of 201 people, and was titled "Missed Opportunity".) ============ (Amazon's system was not properly updating my review, so I deleted and reposted. At the time I did this, only 1 of 4 people found my review helpful. Even so.) ============ UPDATE (9 March 2009): After 4 days of continuous use. I am packing it in and reverting back to the Expert Mouse. If one needs either precise cursor control, programmable buttons or application-sensitive behavior, the Slimblade Trackball is unusable with the supplied software. I've been using trackballs (mainly Kensington) since 1993 and am no stranger to change. This trackball simply was not designed with an expert user in mind, and I hope those who read my review will consider that it is written from this perspective. It is meant to inform professionals and expert users whose software and hardware demands are unusually high. If you are an expert user who needs a pointing device to be application-aware, or if you need high-precision cursor control, this device is not one you should consider. Tempting as this device may be for people frustrated with the terrible hardware design of the Expert Mouse, the Slimblade Trackball cannot replace the Expert Mouse. ============ The Slimblade Trackball is really a missed opportunity for Kensington. This device has so much potential but the software limitations make this device just barely usable. The two major components of the Slimblade Trackball are the hardware design and the software affordances. Let's start with the good. THE HARDWARE ========== In order to understand what is amazing about the Kensington Slimblade Trackball, one should be aware of the last redesign of the Expert Mouse. That design is quite horrendous. The steep angle of the plastic housing strained the wrist tendons so badly that the device shipped with a faux leather pad that attached to the trackball to elevate the wrist. Besides being ugly, the pad kludge didn't work very well. Strained wrists are a common symptom among users of the Expert Mouse Trackball. The Slimblade Trackball rectifies this situation. Big Time. The low profile of the trackball housing is not only aesthetically pleasing, it also allows users to use the device with hand and wrist only moderately angled. The ball rolls smoothly (though it is an ugly color) and the buttons are very sleek as they are cut out of the housing. Clicks are unfortunately hollow-sounding, but the tactile response is superb, the buttons requiring a firm but shallow press for activation. The new device is a pleasure to handle physically. The engineering of the trackball well is clever. Plastic bearings similar to those in the Expert Mouse Trackball keep the ball gliding smoothly, with the difference that these bearings are sealed in their sockets with only a portion of the bearing visible. The holes which contain the electronics that register ball movement do not appear to emit light. When the ball is rotated around its Y-axis (running through the top and bottom of the device), the electronics make an audible clicking noise. Think iPod scrollwheel sound. The faint sound could be a problem in quiet office environments, especially for users who do quite a bit of scrolling or zooming. In all, the hardware of the device is excellent. The thought and care which went into the engineering shows, and if look and feel were all that mattered, Kensington would have produced a pointing device worthy of admiration and celebration. Unfortunately for Kensington, there's also the bad and the ugly. Namely . . . THE SOFTWARE ========== (I'm testing the Slimblade Trackball software on a PowerMac G5 2 x 2.5 GHz running Mac OS X v. 10.5.6. Windows users may have an experience different than mine.) First off, I want to say that the software seems also to have received quite a bit of attention from the designers at Kensington. Unfortunately, what those designers produced seems to be the victim of poor market analysis. Some Slimblade Trackball users have forgiven Kensington for omitting the ability to program the buttons. I am not one of these users. The inability to reprogram the buttons is arrogance at its worst. When Steve Jobs and Jon Ives give users an extra-strength dose of designerly arrogance, they often succeed in curing ailments users didn't even realize they had (hockey puck mouse excepted). I'm here to assure you that the software designers at Kensington are neither Steve Jobs nor Jon Ives. At all. First, the drivers for the Slimblade Trackball do not have any user-accessible interface. Period. OK, that's not entirely true. The installer places a pointer-shaped item in the menubar. Clicking on that item reveals two items. 1) A dimmed line reporting that the Kensington Slimblade Trackball is active, and 2) a link to Kensington's online tutorial. As we all know (as of 5 March 2009), that online tutorial is not yet available. So, the link sends users to the promotional microsite for the Slimblade Trackball as if advertising will convince them that nothing's wrong. I suppose one can navigate one's way to the sparse FAQ which contains 8 items as of this writing. If you can't read the sign that says Things are Not Good(tm) then look over yonder. Yup. That's the milestone for Here Comes Ugly(tm) THE UGLY ====== Users not only cannot program the device's buttons, but they also cannot customize the speed and acceleration of the device outside of the operating system software provided by Apple or a piece of third-party software.* This is a problem of gargantuan proportions and has been documented at length in this TidBITS article: [...]. I have a 23" Cinema Display and a 17" Studio Display hooked together in a single extended desktop. I need my pointing device tracking to be set high. Setting the mouse tracking to high is possible with Apple's "Keyboard & Mouse" System Preference. The problem comes when moving the device slowly, as one might do when selecting text. The differences in slow and fast cursor tracking in Apple's Keyboard & Mouse System Preference settings render the Slimblade trackball practically unusable on medium-to-large desktops. By removing the ability of users to customize slow and fast tracking speed--something that the Expert Mouse Trackball software does provide--Kensington has effectively turned what should have been a magnificent product into something only a mother could love, or at least a committee of marketroids who got their way over the tearful objections of old-skool Kensington software devs. Don't worry devs, having bought this device I feel your pain and then some. At present, Kensington has no plans to offer programmable buttons for this device. One can only hope future software releases will enable users to customize the acceleration settings for the Slimblade Trackball just as users of the Expert Mouse Trackball are able to customize their settings. CONCLUSION ======== The hardware engineers at Kensington deserve raises and your first-born. This is a beautiful device. On the other hand, the managers of the software design team should have their computers confiscated and other really awful things like getting raisins for dessert. The Kensington Slimblade Trackball is like a gorgeous date with a bland personality. You don't mind hanging out awhile but you hope something better will come along soon. * My limited testing of USB Overdrive as a third-party driver has been unable to access the media buttons (the upper ones) at all, suggesting to me that the upper buttons are not regular mouse buttons at all. ... show more
Reviewed in the United States 🇺🇸 on March 6, 2009 by mistersquid

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