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Non-returnable due to Product safety reasons
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Availability:
In Stock.
Arrives
Thursday, Oct 29
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At a glance
- Condition
- New
- Color
- Dark Black
- Material
- Thermoplastic Elastomer (TPE)
- Style
- Black
- Batteries
- 1 9V batteries required. (included)
Features 8
- AI Sync Interaction & Smart Voice Control: Experience next-level pleasure with our AI-powered interactive masturbator. The AI Sync system responds intelligently to your voice and rhythm, adapting vibration and motion patterns in real time. Simply say gentle thrust or strong rotation to customize your session instantly. A perfect fusion of technology, personalization, and sensation
- Video & Game Sync for Immersive Fun: Connect via the App to sync thrusting and rotating motions with your favorite videoswhat you see is exactly what you feel. Or switch to Game Mode, where speed and intensity evolve with gameplay progress. This feature transforms ordinary Sex toys for men into an interactive sex machine that delivers unpredictable excitement
- Ergonomic Male Masturbator with Smart Features: Experience unmatched pleasure with 7 thrusting and 7 rotating modes. The adjustable base secures to flat surfaces for hands-free use, while the App allows customizable settings. An LCD display shows battery life and modes, while the transparent window enhances visual stimulationperfect for men seeking premium, realistic stimulation
- One-Click Burst Mode for Maximum Power: Activate Turbo Mode with a single button to unleash instant, high-speed thrusting and rotation. Designed to envelop your most sensitive areas, this male adult toys delivers explosive pleasure effortlessly. A bold addition to the world of Adult Sex Toys & Games
- Realistic 3D TPE Sleeve & Pocket Pussy Feel: Crafted from premium, body-safe TPE, the sleeve offers a lifelike pocket pussy experience. The 3D textured bumps provide realistic friction, while a removable silicone ring ensures a snug fit. The detachable structure makes this Male Stroker easy to clean after every use
- Adjustable Mounting Base for Hands-Free Play: The sturdy, rotatable base locks onto smooth surfaces like shower walls or mirrors, letting you explore multiple angles hands-free. A versatile design that combines the thrill of a pocket pussies with the stability of a discreet sex machine - ideal for solo adventures
- Visual Window, Anti-Slip Grip & Easy Maintenance: The transparent visual window lets you watch internal movements for added arousal, while the anti-slip grip ensures control during one-handed use. The detachable, waterproof sleeve makes maintenance simple, keeping your Machines & Devices male masterbater safe and hygienic
- USB Rechargeable with LCD Display & Discreet Packaging: Overall dimensions: 10.6 3.5 3.5 inches. Fully rechargeable in approximately 3.5 hours for up to 1 hour of continuous use. The LCD display shows battery status and operating modes. Ships in plain, unmarked packaging for added privacy. Use only the included USB cable with a 5V/1A certified adapter Machines & Devices
Specs 9
| Color | Dark Black |
|---|---|
| Material | Thermoplastic Elastomer (TPE) |
| Brand | EINSEO |
| Model Name | BLACK-KNIGHT |
| Style | Black |
| Package Dimensions | 14.53 x 4.69 x 4.37 inches; 2.82 pounds |
| Item model number | BLACK-KNIGHT |
| Batteries | 1 9V batteries required. (included) |
| Manufacturer | EINSEO-H |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 29
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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Similar Products
Top Amazon Reviews
Honest Review
Color: Black
This is an exceptionally advanced, highly interactive adult wellness device engineered to bridge the gap between digital content and physical feedback. It is an amazing product that offers an incredibly immersive experience by integrating complex mechanical automated motions with real-time software synchronization. For the price point, its robust dual-action internal drive and versatile mounting options provide premium-tier luxury and hands-free convenience. Technical and Kinematic Highlights: 7 Dynamic Thrusting and 7 Rotating Modes: Engineered with high-torque internal servo motors that deliver seven distinct depth-stroke patterns alongside seven independent twisting rotations, which can be combined to unlock a vast matrix of sensations. AI Video and App Synchronization: Outfitted with intelligent Bluetooth connectivity that pairs with specialized companion apps, allowing the internal motors to dynamically speed up, slow down, or mirror the physical pacing of synchronized video scenes and interactive media. Dual Operating Configurations: Designed to be fully functional as a standard handheld unit or configured for true hands-free operation using the heavy-duty industrial suction cup mounting base to lock the device onto flat glass, tile, or smooth tabletops. Real-Time LCD Interface and Visual Window: Features a bright, integrated digital LCD screen on the chassis to display current battery levels and motion speeds at a glance, paired with a semi-transparent viewing window to observe positioning. Body-Safe 3D Textured Inner Sleeve: The removable internal canal is molded from premium TPE material that mimics life-like textures with internal ribbing and ridges designed to comfortably wrap any size. Operation and Maintenance Tips: Realism, Texture, and Sensation Management: The inner sleeve material is nice and soft against bare skin, providing an exceptional level of realism that closely mimics natural tissue. The intricate 3D interior texture is specifically engineered to maximize contact points during both the thrusting and twisting motions. When properly lubricated, the device delivers an incredibly intense, very good feeling with zero friction issues or skin chafing during extended use. Layered Vibration Synergy: In addition to the mechanical thrusting and rotating movements, the device features deep, resonant vibration patterns. For the ultimate sensory experience, experiment with layering the vibration functions on top of the physical strokes. The combination of structural movement and intense internal vibration creates a multi-dimensional stimulation path that can be tailored to your exact comfort and pleasure levels. Secure Suction Surface Prep: To make the most of the hands-free suction cup assembly, clean the mounting surface thoroughly before locking the lever down. Non-porous surfaces like polished tile, heavy glass desks, or smooth acrylic work best. Press firmly down on the center of the base to expel all trapped air before flipping the vacuum engagement lock. Lubrication and Material Safety: Because the high-quality inner sleeve is composed of ultra-soft TPE material, always use a premium, water-based personal lubricant. Never use silicone-based or oil-based lubricants with this device, as they will cause chemical degradation, pitting, and permanent damage to the delicate textured lining over time. Rapid Post-Play Hygiene Routine: Keeping the device clean and sterile is remarkably easy. Gently pull the flexible inner sleeve out of the rigid plastic outer housing, turn it inside out, and rinse it under warm running tap water with a mild, fragrance-free soap or dedicated toy cleaner. Allow the sleeve to air dry completely on a towel before sliding it back into the core housing, and dust it with a small amount of renewal powder or cornstarch to keep the material supple and non-sticky. Final Verdict: Built from quality materials, remarkably durable, and highly effective at delivering a hands-free, high-tech climax experience. It successfully transforms traditional solo play into a smart, interactive, and completely customizable routine. Highly recommended for tech-savvy adults, long-distance couples, and anyone looking for a powerful, hands-free automated machine.
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Reviewed in the United States on July 1, 2026 by Aaron Anderson
Great product at a great price!!
Color: Black
I’m very impressed with the EINSEO Automatic Male Masturbator! From its thoughtful design to its convenient features, this product offers a great combination of quality, comfort, and ease of use. It is a fantastic option for anyone looking to enhance their personal wellness experience with a modern, hands-free device. One of the things I appreciate most is the automatic functionality, which makes the product convenient and easy to operate. The design feels practical, and the overall construction gives a good impression of quality. It is nice to have a product that focuses on user comfort while offering features designed to make the experience more enjoyable. Another major plus is the ease of use. The controls are straightforward, making it easy to get familiar with the device without a complicated setup. The design also makes handling and storage convenient, which is always appreciated when purchasing a personal wellness product. Cleaning and maintenance are important, too, and following the manufacturer’s care instructions helps keep the device in good condition for continued use. I also appreciate the overall value this product offers, considering its automatic features and thoughtful design. Overall, the EINSEO Automatic Male Masturbator is an excellent choice for anyone looking for convenience, functionality, and quality in one product. It has an appealing design, useful features, and a user-friendly approach that makes it worth considering. Five stars! I’m very happy with the overall impression of this product and would recommend it to anyone interested in a convenient, modern male pleasure device. A great addition to a personal wellness collection and a worthwhile purchase!
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Reviewed in the United States on October 11, 2026 by J&S
excellent product, if average size
Color: Ebony Black
this item, although a little bulky.. works amazing 🤩. it is a little loud to me, but not extremely loud. its made for people average size down there, or a little bigger. im unsure how big will fit though. it does have several modes, but i find setting 3 to be the most pleasant, you can also hit the little lightning bolt to make it pick up and stay and a steadier speed. this has multiple parts that can be removed, the camera holder, and the handle. also on the inside there is a plastic cup that the sleeve sits in. this spins as the machine goes up and down. really pleased with it.
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Reviewed in the United States on October 21, 2026 by Jamie M
Absolute Game Changer – The AI Sync is Incredible!
Color: Matte Black
I was a bit hesitant to spend this much on a toy, but after seeing it was the #1 Best Seller, I decided to take the plunge. I am so glad I did! This EINSEO stroker has completely exceeded my expectations. First off, the build quality is fantastic. The matte black design looks sleek and feels great in your hand. The 7.1" deep sleeve is incredibly textured and provides a perfect tight fit. The suction and vibration combination is powerful—way stronger than other toys I've tried. The standout feature for me is definitely the AI Sync and phone holder. Being able to sync the device to the on-screen action takes the experience to a whole new level. It’s immersive in a way standard vibrating toys just can't match. The controls on the top are also intuitive and easy to use, even in the dark. It arrived quickly and discreetly. If you are on the fence about buying this, just do it. It is worth every penny and lives up to the hype. 10/10
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Reviewed in the United States on October 5, 2026 by Kmareoin
Powerful, Easy to Use, and Worth It
Color: Black
Very impressed with this product. It feels sturdy and well-made, and the different thrusting and rotating modes provide plenty of variety. The controls and LCD display are simple to use, and the mounting base keeps it secure for hands-free use. It’s also easy to clean and store. Overall, it works exactly as advertised and exceeded my expectations. Definitely worth five stars!
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Reviewed in the United States on October 4, 2026 by Erik S.
5 stars – Excellent product, especially with the suction cup**in
Color: Black
This automatic masturbator has been a real upgrade. After a couple months of regular use, I barely go back to manual anymore. The biggest benefit for me is that it takes the strain off your hand—no more fatigue from long sessions. The internal texture and motion feel very realistic and satisfying. The suction cup is one of the strongest features. It works well on a shower wall (just keep water away from the charging port—it’s splash-resistant but not fully waterproof). I already have a magnetic phone mount in my shower, and pairing the two is really awesome—you can stick the unit to the wall and have your phone right there at the same time. Even better, it sticks securely under a desk if the surface is smooth. I initially tried mounting it on top of my standing desk, then realized the underside worked perfectly with the same finish. Having a standing desk with this is especially great because you can raise the height so everything lines up facing straight upward, keep it more horizontal, or even use it while standing, which is also a lot of fun. On a cheap particle-board desk it might not hold, but on a solid smooth surface it stays put and allows completely hands-free use. A few practical notes on lube: water-based is required. The included sample is very small, so plan on buying your own. I go through a bottle fairly quickly. Too much can work its way past the sleeve and into the mechanism, so it’s worth finding the right amount. Having to pause mid-session to add more is the only real inconvenience. The app offers a speed slider and the ability to record custom patterns, which is fine, but I mostly just use the buttons on the device itself. The first few speeds are straightforward (slow → medium → fast), followed by a higher-intensity mode and then the twisting/rotating patterns. The “AI” features are overstated—it doesn’t sync to video content. It can react to ambient sound or play preset tracks, and there are optional AI voice characters that didn’t appeal to me at all. The machine works perfectly well without the app. One small tip: some versions of this model include a phone holder and some don’t. I didn’t get the holder, but once I started using the under-desk setup it no longer mattered. I previously used a larger torso-style toy several times a day and found the cleanup tedious. This has largely replaced it for everyday use. It’s more convenient, easier to maintain, and very effective. Overall recommendation: skip over-investing in the app features, be mindful with lube quantity, and take advantage of the suction cup (especially under a desk or in the shower with a phone mount). Highly satisfied with the purchase.
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Reviewed in the United States on September 10, 2026 by Brandon
Odd. Design flaw. Will follow up.
Color: Matte Black
Ok. It definitely sucks your D. Hard. But it's riddled with design flaws. The device holds air in the sleeve so as you enter, you create a pocket of air right at the end that feels like it's going up your pee hole, which ruins things. This design flaw could be easily solved by an end user simply smushing the insertable portion of the sleeve gentley under a book and weight for an extended period, such as 1-2 days to train the sleeve to be flat and with no air inside, so that it wouldn't have air in it at all that your D has to push out during use. But, there are significant other flaws. Trying to read the instructions it says in black and white in the very back to charge device for 30 min before use. Ok, easy. But it also says in blue lettering printed in size 08 font against BLACK background to charge the unit for at least 2 HOURS before use. Further, while holding it I turned it on and the device arrived indicating it's fully charged already. So did someone do this for me? The suck settings are awful. It's clear that were an after thought. The vibration is fine but not as good as people say. For the record I'm much larger than average in length and girth and head size. Perhaps this toy is just too small. I'll fiddle with it. I often have to stick a soda inside my toys for a few days to stretch them out. But I don't think that will solve this issue. I figure if it gives me 10-20 good ones it's worth the money. But add it is now, it's not as stimulating as it needs to be.
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Reviewed in the United States on October 8, 2026 by SeaMonkey
Don't pass this up, you'll regret it!
Color: Black
A new generation of toys, the results are incredible! Quiet, discreet, effective... Need I say more? This device blew me away and the sensation it delivers is out of this world! Coupled with the Joyhub app, your intimate time just got an upgrade. The app is very well written and allows people from around the world or around the room to control it and bask you in pleasure!
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Reviewed in the United States on October 18, 2026 by Just_a_guy_in_Las_Vegas