Male Masturbator with 5 Suction & 9 Vibration Modes | APP control, LCD display, transparent 3D sleeve, diamond grip, USB-C charging
Condition: New
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Availability:
In Stock.
Arrives
Friday, Aug 14
Color: Dark Black
Features
- Upgraded Automatic Sucking Male Masturbator: This upgraded male masturbator is designed for users who want a more adjustable experience than a basic pocket pussy. The automatic suction system creates changing pressure and stimulation, while the compact body makes it easier to use, hold, and store for private solo sessions.
- 5 Suction & 9 Vibration Modes: Choose from 5 suction intensities and 9 vibration patterns to match different stages of use, from gentle warm-up to stronger stimulation. The combined suction and vibration system helps this male sex toy provide more variety than a single-function stroker, giving users more control over comfort and intensity.
- Diamond Shape Grip & Easy-Clean 3-Section Design: The diamond-style waistline gives the device a distinctive look while improving hand grip during use. The 3-section detachable structure makes daily cleaning easier: remove the sleeve section for rinsing and let it dry before storage. The body should not be soaked or fully immersed.
- LCD Display & Smart APP Control: The LCD display makes mode and setting changes easier to check at a glance. Users can also connect to the APP for supported smart control options, making this adult toy more convenient to adjust without relying only on manual buttons.
- Transparent 3D Soft Sleeve: The transparent 3D sleeve is made with soft, stretchy material and internal texture for a more cushioned feel. The realistic channel design helps create layered stimulation, while water-based lubricant can improve glide and comfort during use. Designed to fit most users comfortably.
- USB-C Rechargeable & Low Noise Use: USB-C charging keeps setup simple and travel-friendly. The low-noise motor is designed for private use, helping reduce operation sound while maintaining steady suction and vibration performance. Runtime may vary depending on suction level, vibration mode, and APP use.
- Private Storage & Everyday Convenience: With APP control, LCD display, detachable cleaning design, and discreet packaging, this sex toys for men product is made for users who care about privacy, easier maintenance, and adjustable stimulation in one compact device.
Color: Dark Black
Material: Acrylonitrile Butadiene Styrene (ABS), Thermoplastic Elastomer (TPE)
Brand: EINSEO
Model Name: SZFJB-DIAMOND-1
Style: Male Masturbator
Package Dimensions : 11.1 x 4.72 x 4.17 inches; 1.92 pounds
Batteries : 1 9V batteries required. (included)
Date First Available : June 25, 2026
Manufacturer : EINSEO
Customer Reviews: 5.0 5.0 out of 5 stars (2)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Aug 14
This item is non-returnable:
Non-returnable due to Product safety reasons
View our full returns policy here.
Non-returnable due to Product safety reasons
View our full returns policy here.
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Top Amazon Reviews
Color: Black
Works well for what I need it for. I think it's cool that there's an app for you to adjust the intricacies. There's also an option to download presets in case you don't feel like thinking. It's a little loud, but if you're in the privacy of your own bedroom, that won't matter.
Reviewed in the United States on July 18, 2026 by Argus Urnzlak
Color: Black
I am thoroughly impressed with this product! The build quality is excellent, and the 3D textured sleeve feels amazing and incredibly realistic. The 7 different suction and stroking modes offer a fantastic variety, making it easy to find the perfect setting. The hands-free suction works perfectly, and the AI interaction adds a whole new level of immersion that sets this apart from anything else on the market. It is also surprisingly easy to take apart and clean, which is a huge plus. If you are looking for a high-quality, fully-featured experience, this is absolutely worth it. Highly recommended!
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Reviewed in the United States on June 26, 2026 by Steven Steinhoff
Color: Black & Transparent
By far my favorite masturbation toy so far. The suction is amazing and vibrates are strong. Has plenty of settings to choose from. It’s compact and more discrete that others I’ve owned and that makes it easy to travel with and is a great value.
Reviewed in the United States on July 2, 2026 by Joel S.
Feels very good and has great quality. Easy to clean, and easy to use with the buttons on the device. Would highly recommend it!
Reviewed in the United States on July 16, 2026 by Ashlynn
Color: Black
I really love almost every aspect of this toy. The Vibration feature is great, the suction is great. The overall external size is good. I found it most stimulating to put the vibrator in so, the way I hold this, the vibrator meets up with the underside of my member at the tip. Although it fits very snugly inside, the material is very stretchy. I don't mind it not be long enough, since most sensitivity is at the end of my member. One complaint is that there are hard + shaped plastic tabs at the end that are making impression into the material and may end up causing damage to the ABS insert. This toy would be nearly perfect if it wasn't for the defective battery. I get almost one use out of it and then the suction and vibration get weak very quickly. I'm left to getting myself part of the way before I can switch to using this which is semi frustrating. If there was a way to replace the battery, I would definitely upgrade it to a quality battery with high MAH. It shows I can still return it, so I may update this if I get one with good batteries (who will be the lucky on to open that return box?). I hope others get a good battery. Okay, so they did accept the return (05/08/2023). Before returning, I decided to perform a test. I charged both units up, gave the batteries a few hours to cool down. I turned both of them on at the same time. High vibration and regular suction. No load on either of them. I just laid them down and let them run side by side. My first purchase ran for 40 minutes, the brand new one ran for 46 minutes. I'm guessing the manufacturers test is no load and low vibration, no suction only in order to get the 1.5hr run time. Second, I tested the new unit using my original sleeve which is still like new condition after 8 uses. The new unit (while under load) performed very poorly and made a lot of noise. I think the product consistency is very poor. The company needs a way to test their products under load because they act MUCH differently than when empty. I can see why the reviews are hit/miss. I will also say that it is very important to follow manufacturer instructions for cleaning and re-powdering the outside of the unit before re-using. The powder makes the insert perform correctly without getting snagged or sucked in on the inside of the sleeve. Also, you MUST carefully turn the sleeve inside out when cleaning. It may appear clean, but even after rinsing many times, after you reverse it and wash the inside, it will still initially feel slick rather than clean. The insert is delicate, but holds up if yours was manufactured correctly and you handle it with a lot of care. I still recommend this product, especially if you get a good performing product. It may even be worth opening up the unit and replacing your battery once it fails if you are capable and your unit functions as expected. Another Update: I'm continuing to experiment with this and I'm using it a little differently. I find that just using this without the battery is still quite nice. I think finding the proper amount of lubrication is important. I have been using vegetable glycerin which has been my "go to" lube for several years. I add a little clear colloidal silver to each small bottle I make as an ultra-safe germicidal. Even small factors like if you have any "pre cm" will affect the lubrication. I have found two new aspects that I like. First, I found that I don't get the "death grip" that I do when using just my hand. I have a very high sx drive and can go many times every day. This really helps because I don't lose the sensitivity that I do when using just my hand. Second, I noticed that the muscles/tendons in my hand are a lot less tight and inflamed after using this for a couple weeks. So, if you are highly active, this is definitely better than using your hand.
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Reviewed in the United States on May 4, 2023 by SmokeyBear
Color: Black
At first I was hesitant to purchase this due to the suction feature, but I was pleasantly impressed by how well it functions for the price point. However keep in mind that it is quite powerful and may be painful at first! Overall, the ribs feel lifelike and the vibration is superb. The app is really my favorite part because of the independent control and the various videos that have prewritten “strokes.”
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Reviewed in the United States on July 12, 2026 by TT
Color: Transparent
This toy feels absolutely AMAZING! The vibration settings and softness feels so good. The fit is also good as well as it is tight and has nice grip that genuinely feels like the real thing when fully lube up! The toy is also really easy to clean with warm water and easy to store it on a desecret place. The durability is good, been having this for a while now and it is still on good use, especially with the app and other controllers!! Versatility/material is perfect for everyone meaning it is high quality! I 100% recommend this toy for couples or long distance play!
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Reviewed in the United States on July 30, 2026 by Johnny Doe
Seeing the mixed reviews, I wasn’t sure what to expect, but after using it myself I’m actually really impressed. The suction is definitely strong — maybe too strong for some people — but for me that was one of the main things I was looking for. It stays consistent, and once it gets going, it delivers a really satisfying experience. The material is soft and comfortable, and the internal feel is better than I expected for the price. It’s easy enough to clean once you get used to how it comes apart, and the size/fit worked perfectly for me (people’s experiences definitely vary based on size, so that’s worth keeping in mind). There’s no movement beyond suction, but I knew that going in, and I still found it enjoyable. It’s a simple device, but it does its main job well. Noise level is about average — not silent, not super loud. Overall, despite some of the mixed reviews, I’m really happy with mine. If you’re looking for strong suction and a good texture without needing a bunch of extra features, this one is absolutely worth a try.
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Reviewed in the United States on November 18, 2025 by Mackenzie