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The K400 PLUS is a wireless plug-and-play keyboard aimed squarely at a PC connected to a television. It is quiet in use and carries the Windows and Android hotkeys people already know, plus media controls for playback and volume. Everything needed to drive a PC-controlled TV is on the one board.

The K400 PLUS is a wireless plug-and-play keyboard aimed squarely at a PC connected to a television. It is quiet in use and carries the Windows and Android hotkeys people already know, plus media controls for playback and volume. Everything needed to drive a PC-controlled TV is on the one board.

Setup is a matter of plugging the small USB Unifying receiver into a free port on the PC. The keyboard is ready to use from that point with no installation step in between. The receiver is deliberately tiny, so it can stay in a media PC permanently without sticking out.
Setup is a matter of plugging the small USB Unifying receiver into a free port on the PC. The keyboard is ready to use from that point with no installation step in between. The receiver is deliberately tiny, so it can stay in a media PC permanently without sticking out.


The built-in touchpad keeps typing and pointer control in the same place, so there is no reaching for a second device mid-show. Videos, web browsing and chat are all driven from where you are sitting. This is the use case the K400 PLUS is designed around rather than a desk-bound one.

The built-in touchpad keeps typing and pointer control in the same place, so there is no reaching for a second device mid-show. Videos, web browsing and chat are all driven from where you are sitting. This is the use case the K400 PLUS is designed around rather than a desk-bound one.

The K400 PLUS uses a spill-resistant design, which matters on a keyboard that spends its life near drinks and snacks on a couch. The keys are built to keep working through normal wear rather than fading after a season of use. It is the kind of durability a shared living-room device needs.
The K400 PLUS uses a spill-resistant design, which matters on a keyboard that spends its life near drinks and snacks on a couch. The keys are built to keep working through normal wear rather than fading after a season of use. It is the kind of durability a shared living-room device needs.


Wireless connectivity reaches up to 10 metres with no lag, delays or dropouts across that range. The K400 PLUS is compatible with Windows 7, Windows 8, Windows 10 and later, Android 7 or later, and Chrome OS. That covers media PCs, Android TV boxes and Chromebooks from one keyboard.

Wireless connectivity reaches up to 10 metres with no lag, delays or dropouts across that range. The K400 PLUS is compatible with Windows 7, Windows 8, Windows 10 and later, Android 7 or later, and Chrome OS. That covers media PCs, Android TV boxes and Chromebooks from one keyboard.

The keyboard works straight out of the box, and Logitech Options software is there when you want to change what the controls do. Preset controls handle volume, selections and the Windows and Android shortcuts you use most. Customising is optional rather than a setup step you have to complete first.
The keyboard works straight out of the box, and Logitech Options software is there when you want to change what the controls do. Preset controls handle volume, selections and the Windows and Android shortcuts you use most. Customising is optional rather than a setup step you have to complete first.


The keys are quiet and comfortable, which counts when someone is typing next to a television that other people are watching. The touchpad is large for a keyboard of this size, giving enough travel to cross a screen without repeated swipes. Together they make navigating entertainment straightforward rather than fiddly.

The keys are quiet and comfortable, which counts when someone is typing next to a television that other people are watching. The touchpad is large for a keyboard of this size, giving enough travel to cross a screen without repeated swipes. Together they make navigating entertainment straightforward rather than fiddly.
Everything you need to know about this product
It has a wireless range of up to 10 metres, with no delays or dropouts across that distance.
No. The keyboard has a large integrated touchpad, so typing and pointer control happen on the same device.
Battery life is up to 18 months on a set of batteries, helped by an on/off switch and power-saving technology.
It works with Windows 7, Windows 8, Windows 10 and later, Android 7 or later, and Chrome OS.
It connects through a tiny plug-and-play USB Unifying receiver that goes into a USB port on your PC.
Yes, it uses a spill-resistant design along with durable keys built to handle everyday mishaps.
Yes, it includes media controls for navigating a PC-controlled TV, plus the standard Windows and Android hotkeys.
You can use it as it comes or customise the controls with Logitech Options software, including volume and shortcut presets.
The keys are described as comfortable and quiet, which suits use in a shared living room.
That is its main purpose. It gives integrated control of PC-to-TV entertainment from the couch, including navigation and media playback.
AI-Generated Content: These FAQs are generated by an automated AI system and may contain inaccuracies or omissions. Evetech makes no warranties, express or implied, regarding their completeness or reliability. For definitive information, please refer to the manufacturer's official specifications.












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