Logitech MX Full Size Rechargeable Backlit Keyboard

Last updated: March 8, 2023


Logitech MX Full Size Rechargeable Backlit Keyboard

We looked at the top Backlit Keyboards and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Backlit Keyboard you should buy.

Product Details

In our analysis of 124 expert reviews, the Logitech MX Full Size Rechargeable Backlit Keyboard placed 11th when we looked at the top 15 products in the category. For the full ranking, see below.

From The Manufacturer

With laser-etched, backlit keys you can see easily in any light, a sleek look, and comfortable, fluid typing, the logitech wireless illuminated keyboard k800 delivers a brilliant typing experience-day or night. System Requirements: Windows XP Windows Vista Windows 7 Windows 8 Windows 10|USB Port|Internet access required for software download.|Software required for connecting additional devices with Unifying receiver.|Software available for download here.

Our Expert Consultant

Molly Thornberg   
Technology and parenting blogger

Molly Thornberg is a professional writer, creative and mom to four kids, living her best life outside of Dallas, Texas. With a love for all things tech, she is passionate about helping parents raise kids in the digital age. She writes about technology, parenting and humor on her blog Digital Mom Blog.

Expert Reviews


What reviewers liked

Keys are backlit and the brightness can be adjusted. Rechargeable with included micro-USB cable. You can get up to 10 days with one charge. offers quiet, comfortable typing
Can change the level of illumination and when it is activated and turned off
This new model gets rid of the cord and incorporates not only adjustable brightness but also notable Logitech-exclusive features like the PerfectStroke key system and a USB charger for up to 6 hours of battery life at $99.
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Another great advantage offered by the K800 are the brightly backlit keys. You can literally type in the dark with this keyboard, even if you hunt-and-peck like I do!
Backlit keys with ambient light and proximity sensor.
It has all the hallmarks a good keyboard has including the ergonomic style, wireless connectivity, and quick response rate.
The PerfectStroke key mechanism makes typing very quiet and suits it for silent surroundings whereas the Unifying USB receiver makes connecting it to other devices easy.
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It's also wireless, so you don't have to worry about unseemly cords running across your desk. It can be turned on with a simple wave of your hand.
Since it’s a wireless device, battery life can be a concern. Fortunately, Logitech has included a high-performance lithium ion battery. This battery gives you about 6 hours of battery life.
Created with high ergonomics, it’s easy to type using this keyboard. With soft key bearing curved design; they offer easy keystroking.
The backlighting has four intensity levels, which should provide enough choice to ensure you can always find a good balance between being able to see the keys and being distracted by them.
Thanks to the full-size keyboard, touch-typing was seamless moving from my regular keyboard to the K800. The keys were neither sticky nor too clicky, and were noticeably more comfortable to type on. No doubt this is the benefit of the PerfectStroke key design, which enables a key travel of 3.2mm.
The Wireless Illuminated K800 backlighting automatically adjusts based on the amount of light in the room using ambient light sensors. Motion sensors detect your hands as they approach to turn the backlighting on and to turn it back off when your hands move away.
It is flawlessly fluid and quiet when being used, no pains with palm and wrist and both stays at ease. K800 is a complete set of brilliant features compiled in a single device.
The keyboard has a proximity detection system that turns on the backlight when it senses your hand nearby to save battery power. The keyboard is rechargeable and can be used while it is changing up with a small micro USB cable.
Keys are remarkably responsive, providing instantaneous returns and the media controls offer a decent selection of customizable functions via Logitech’s SetPoint software
This keyboard is pretty special in that it’s the only illuminated board in this article, The backlight makes it easier to use in the dark, but it also gives it an edge in that gamers love LEDs in their gear.
The adjustable backlighting is a neat feature. There are programmable as well as enhanced F-keys which give you additional functionality and performance.
An adjustable backlight allows for typing in the dark, and it runs on a set of rechargeable batteries that can be charged via USB through your computer or an adapter.
The good news is the backlight brightness automatically adjusts based on the level of lighting in the room, or it can be manually adjusted on-the-fly via the function keys. The keyboard can get really bright, as seen below the K800 is at maximum brightness in a completely dark room and very easy to see.
Its dimensions, concave finish and the PerfectStroke technology of the Swiss company makes it practically impossible to eat letters typing at full speed. In addition to the excellent response, they are among the quietest we have seen.
PerfectStroke key system makes every keystroke more comfortable, fluid and quiet.
No batteries needed: recharge quickly with the included universal micro-USB cable.

What reviewers didn't like

A full charge takes 3-6 hours. Difficult to clean. Keys are delicate and easy to break.
Easily soiled glossy surface. Battery life could be better.
Thin profile sacrifices design for durability
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The only real downside to the Logitech K800 is the size. Since it’s a full-size keyboard, it wouldn’t be a great choice for those who want to carry an external keyboard along in their laptop case.
The keyboard is somewhat large and wide.
The backlit keyboard isn’t very bright
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Keys tend to break off over time
This keyboard certainly feels no more uncomfortable than any other low-profile, straight keyboard I’ve used.
Thin chassis is a little bendy
Not compatible to Mac devices
The transparent frame, as reported by Logitech, adds an “elegant touch to any desk“; I respectfully disagree. The clear plastic frame adds a hint of “cheapness” in my eyes, and I would have preferred a frame in the same black matte color like the rest of the keyboard or no frame at all.
The downside with the K800 is that due to the compact design the keys can be a bit hard to clean and if single keys happen to fail it’s a bit hard to replace them.
It starts to lag on the wireless connection if you’re doing something that requires pressing multiple keys at once. I also did notice that there’s a slight (25ms) delay when typing with it on wireless. Attaching the USB cord seemed to straighten performance up.
The only point to improve, to mention some, is that the lighting is turned off very quickly when removing the hands and this feature cannot be configured, which forces us to bring them closer so that it is illuminated and we can distinguish some keys from others.
It comes with a little high price.
Yes, wireless is a con because I will never ever use it as a wireless keyboard. The USB charger that comes with the keyboard is only used for charging. It doesn’t provide any communication between the computer and the keyboard — that’s what the Unifying receiver is for.
View our Backlit Keyboard buying guide for in-depth advice and recommendations.

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