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🚀 Triple your productivity, not your cables!
The KYY Laptop Screen Extender X90D is a portable 15.6" FHD triple monitor designed for professionals on the move. Featuring a sleek aluminum alloy chassis, it connects via a single USB-C or USB-A cable (driver required) to expand your laptop’s display up to three screens. With 178° wide viewing angles, 360° rotatable screens, and customizable display settings, it boosts multitasking efficiency by up to 300%. Compatible across Windows, macOS, and Android, this ultra-thin, foldable monitor is perfect for enhancing productivity in any workspace.





















| ASIN | B0DK6HJ1TB |
| Additional Features | Eye Care, It does not limit the use of the place- whether you need it at home, office, meetings, travel work, or outdoor data processing, you can easily master it., Lightweight, Portable, Provide an amazing experience for Professionals, Players, Stock traders and Programmers. |
| Aspect Ratio | 16:9 |
| Best Sellers Rank | #6,053 in Electronics ( See Top 100 in Electronics ) #222 in Computer Monitors |
| Brand | KYY |
| Brightness | 300 cd |
| Color | Grey |
| Compatible Devices | Android Devices, ChromeOS Devices, Linus Devices, Windows Devices, macOS Devices |
| Connectivity Technology | USB Type-C 3.1 for video transfer(Type-C Full Function Port), USB Type-C port for power charging |
| Contrast Ratio | 1200 : 1 |
| Customer Reviews | 4.3 out of 5 stars 868 Reviews |
| Display Resolution Maximum | 1920 x 1080 pixels |
| Display Technology | LCD |
| Display Type | LCD |
| Hardware Connectivity | USB 3.1 Type C |
| Image Contrast Ratio | 1200 : 1 |
| Included Components | 1 x 15.6" Portable Dual Monitor, 1 x 5V3A Power Adapter, 1 x USB Disk (with Display Driver), 1 x USB-C to USB-A Cable for Power Charging, 1 x USB-C to USB-C Cable with a USB-C to USB-A Converter Head for Video Connection |
| Item Dimensions D x W x H | 12"D x 17.3"W x 3.74"H |
| Manufacturer | KYY |
| Model Name | X90D |
| Model Number | X90D |
| Mounting Type | Desk Mount |
| Native Resolution | 1920x1080 |
| Number of Component Outputs | 1 |
| Picture Quality Enhancement Technology | Eye Care, Color Enhancement |
| Refresh Rate | 60 hertz |
| Resolution | FHD 1080p |
| Response Time | 1 milliseconds |
| Screen Finish | Matte |
| Screen Size | 15.6 inches |
| Screen Surface Description | Matte |
| Specific Uses For Product | 360° closer foldable angle to close together each screens to stand out in group presentation, Features USB-C cable with USB-A comberter head, compatible with most laptops via Type-C/USB-A ports, Multiple Modes for Productivity & Efficiency (extend/mirror/portrait/single 2nd screen/pre mode) |
| Total Thunderbolt Ports | 1 |
| Total USB 3.0 Ports | 2 |
| Total Usb Ports | 2 |
| Viewing Angle | 178 degrees |
| Voltage | 5 volts |
| Warranty Description | KYY Portable Monitor provides 12 months warranty & 30-days return policy for no reason , any question pls feel free to contact our 24/7 professional after-sales customer service team. |
F**R
I was very pleasantly surprised. It actually works exactly as advertised.
I bought this for working with my higher end Samsung laptop, because my desktop machine has six monitors, so I'm definitely not going to get by with just one on my laptop. I have owned, for a very long time, a USB single cable monitor that, for what it is, is pretty good-- that is, it's very lightweight and portable, and it gets the video signal and power off of one (or two) USB connections. The problem with it though is that it is lower resolution and has a slower refresh rate. For my purposes at the time, using it in portrait mode for reference, it worked great. I was expecting a similar kind of experience here, but I was very wrong. This thing really is plug and play, provided your laptop provides adequate power over the USB-C, or you plug the monitor set into power separately. I believe there are drivers to install. Oh, yes! I'm glad I remembered this. The unit came with drivers on a USB drive but the USB drive they give you is actually very nice. It's metal and is both USB a and C and has a cover that flips around to either end, and that cover has a loop on it that is, thankfully, sized properly to go on to a keychain if you wanted to. Unfortunately, it's only 512 MB, yes, not gigabytes. The USB drive contains drivers for all of its compatible systems, including an APK for Android. I believe this is the same common driver set that you use with almost any USB monitor, including docking ports that have a video out. On my windows laptop, the monitors set up beautifully, though I was trying some funky things with providing power, and testing it through USB hubs and things like that, and my best advice is just not to get too adventurous with it. Plug it in, and if the monitors don't come on and stay on, then plug in their power source. On my system, somehow, and perhaps it's just dumb luck, I didn't even have to arrange the monitors within Windows, it just knew that these external monitors somehow were one on the left, and one on the right of the main display. Each of them is full HD. I didn't stress test them for refresh rates, but I think I read somewhere that the refresh rate is surprisingly high. That's not really an area I care about on something like this, because I really just want the footprint. The one slightly unpleasant surprise, if you can call it that, and really I don't know what I was expecting, but it's that this three panel thing, which is a display on either side, and then a structural panel in the middle that has a handle through it, really needs to sit on a flat surface, and it makes it a little janky if you want to use the laptop in an area other than at a table or desk. I know there are some solutions to this, like folding one of the monitors closed, and using the other freestanding in portrait mode. I think I was kind of hoping for something that actually attached to the laptop, so the whole thing felt like one unit. In any case, with the panels folded out, there is a stand on the back of the center panel that lets you tip the monitor set back to a pretty good angle that you would typically use a laptop at. I wouldn't say the panels are of the very highest quality, but for a very thin, USB only display, I will say the difference is not so noticeable as to be distracting, and that is comparing it to a Samsung Book 3 Pro which has a high-end Samsung display in it. You can see a clear color difference between the native monitor and the external panels, but that is due to the eye saver turning the display to a warmer color, but the effect is much more subtle on the externals.
D**.
Another Great KYY Product - Solid Quality, Easy Setup, and Great Customer Support
I’ve used KYY portable monitors in the past, and the build quality has always been exceptional—this monitor extender is no different. It feels sturdy, durable, and very well-built. It’s an easy plug-and-play device once you’re set up. Just keep in mind that you may need to install drivers first, but once that's done, it works seamlessly. I love that each screen has individual settings you can fully customize as well. Adding this to my setup has given a massive boost to my productivity. Plus, having all the necessary cables and extensions included right in the box makes it a complete, hassle-free package. The packaging itself was also great, arriving in perfect condition with zero shipping damage and quickly. Lastly, KYY’s customer support is fantastic. I had a few questions during setup, and their team was kind, quick to respond, and extremely helpful—just as they’ve been with my past purchases. I highly recommend KYY monitors to anyone looking to upgrade their home or office workspace.
T**L
Decent functionality with great picture..
Update: The Vendor contacted me and sent me their upgraded model that had a number of improvements to it. The new cover which is a full cover side load is suitable to support both landscape and portrait modes perfectly and keeps the monitor safer in transit. So, I no longer have an issue with the cover. The replacement has a properly working UBS-C port but I would still like to see support for USB-A. They have also upgraded the painful-to-operate rock and push dial interface on the side to a dedicated up-down and select button-based model which is a breeze to work with. The picture properly centers and fills the screen fully in both landscape and portrait modes. To my complete surprise, the speakers are actually usable even though they are far from great in comparison to your laptop speakers. By the way, the picture is still perfect, clear, and bright! Even though the lack of USB-A-based connectivity it is less than perfect in my book, with the attentiveness of the vendor to customer concerns and the improvements provided with the "-2" model, I believe it is only fair that I raise my rating of the product 5 stars. So, I just finished fighting with it. These are my conclusion. Keep in mind this is a modern Windows 11 laptop I am testing it with. - To start with I should state the picture is an 8 over 10 at least once you manage to get it to work. - Stand is a complete joke to me. I wouldn't feel safe to use it with such a fragile device and it is very limited in terms of viewing angles it is supporting. - Tried the known to be working USB-c port which I have used in the past for delivering both power and video to other units. Absolutely nothing happens. - Tried HDMI and HDMI and nothing until I plugged in the power supply and fed the USB-c port fo the monitor. Don't like the multi cable solution. Mind you I am doing this at home with a steady desk. Imagine doing this in "portable" use. Definitely not appealing. I was using for the last 24 hours another display, clearly of a lot lower quality but very accommodating and most importantly worked off a single USB 3.0 cable. While I didn't care for the quality at all, the simplicity and accommodation of portrait mode (pivoting) even though it wasn't auto pivot, I will take the lame monitor over this any day. It has a great picture if you are willing to put up with the issues of it and I am not willing to. - - There is no pivot mode, auto or otherwise. If you switch to portrait it gives you a tiny portrait image that is good for nothing. Also design apparently not meant to support portrait use. This is a critical feature to me.
P**R
Good monitors for Windows OS. Not great for Linux
Picture quality for this monitor is good for productivity. refresh rate is at about 60Hz. I purchased the X90D model. In Windows I had no issues with setting it up and having to use it. However in Linux it is another story. Drivers may be a little outdated and I am not sure, I haven't tried on their version of Ubuntu. Instead I tried it on 26.04. Both monitors are visible but any type of work will be laggy. Extremely laggy on the monitors themselves. Main screen has no issues. I attribute that to the drivers themselves. I've been using these for a while and had no issue. I don't care much about how portable they are however the handle makes it easy. care must always be taken when moving from one spot to another. As for folding them, there is a specific way. if not respected, damage can occur. Overall I am very happy with the purchase and one star was deducted only due to linux drivers.
L**3
Small but mighty
Smaller and portable is better. I purchased this portable double 15.6 inch monitors with the idea that I would travel with it. I haven’t travelled with it yet, but use at home instead of 2 27in monitors. The small size doesn’t mean less screen visibility. I really like the fact that I don’t have to be at a 48 in desk to have 3 screens to work with. I did have to get drivers downloaded to use with my office laptop, but did not need to download drivers for my personal laptop which plugged and played immediately. I would definitely recommend this product!
E**H
Perfect for virtual teaching
Last year I started teaching online and I got by with my laptop screen and a monitor, but it wasn’t the perfect set up. I felt like the monitor was wasting space on what really is a rather large desktop. I didn’t always need it, but it was always there. I also had to split my screen in order to keep my teaching platform on one side and my lesson plan on the other. I used my second screen for the slideshow I used regularly. I really wanted a third screen to make teaching easier, but I couldn’t imagine wasting even more desk space by adding a second monitor to the system. When I traveled this summer and was forced to use my iPad as a second screen (uggh), my brother told me about laptop screen extenders. This sounded like the perfect solution for my problem, so I watched a bunch of YouTube reviews and this one kept coming up as one that is reliable and easy-to-use. It was a big expense, but if it made my daily life easier, it was worth it. It was so easy to set up on my own. I am not tech savvy, so I assumed I’d need my husband’s help, but the directions were clear and easy to follow. When I teach, I can keep my video platform on my main screen, my lesson plans on the left and slideshow on the right. Additionally, if I want to use my desk for a crafting project, I can easily fold everything up and have 62” of free space to work with. Lastly, because I can adjust the screens to go back 90°, I can mirror my screen so my son can see without having to sit right on top of me. It solved an issue I didn’t even know I had until I realized my son could work on one side of the desk while I worked on the other. Lastly, we are considering taking a 6-month cross-country road schooling trip, and because this extender is so lightweight (relatively) and can be folded down and put away, it will be a perfect solution to let me work on the road. TLDR; I love it. It has solved all my problems, even those I didn’t realize I had. It’s portable, easy to use, and functions beautifully. 10/10 would buy again!
U**R
Solid Construction and Truly Plug-and-Play
I spend a lot of time working from my laptop, and this KYY triple monitor extender has been a fantastic upgrade to my workspace. The first thing I noticed was how solid it feels. The aluminum alloy construction gives it a premium, durable feel that's much sturdier than the plastic portable monitors I've used in the past. It feels like it was built to handle frequent travel without worrying about damaging it. Setup was surprisingly easy. On my laptop it was essentially plug-and-play with a single cable, and I was up and running in just a few minutes. The instructions were straightforward, and once connected, having three full HD screens made multitasking so much easier. I can keep email, spreadsheets, and video meetings open at the same time without constantly switching windows. The 15.6-inch displays are bright and sharp, and the rotating screens and adjustable kickstand make it easy to find a comfortable viewing angle. When I'm done working, everything folds up neatly for travel. If you're looking for a well-built triple monitor setup that's easy to use and dramatically improves productivity and all in a well-priced package, this one is definitely worth considering. The solid construction and hassle-free plug-and-play setup make it an excellent investment for anyone who works from a laptop.
M**B
Very poor customer support but an excellent product
Customer service is non-existent. I tried do attached the monitors to a Dell Laptop. Tried to install and reinstall the driver but the computer will not find the monitors. Checked every cable, etc. No one answers the help line and there is not chat service help either. Emails are said to be returned in 24 hours but that is not a help. Going to give them a day or so and then I will simply return everything. They advertise 5 star customer assistance. They deserve a 1 star. This is an update. I was able to uncover my error and the system works perfectly well. So in terms of the product this is first rate. Setup is a small challenge but buyers have to know that there really is no online help even if you make a careless error. That said the product is excellent
Trustpilot
2 days ago
1 month ago