Price: £18.84
(as of Jun 29, 2025 12:11:36 UTC – Details)
From the manufacturer
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K400 Plus
Laid-back control of your PC connected TV
Navigate your TV-connected computer more easily from the comfort of your couch. With Logitech’s all-in-one TV keyboard/touchpad, simply type, click and scroll to watch videos, browse the web and check Facebook on your PC-connected TV.
Integrated wireless keyboard with touchpad
Enjoy seamless control of your PC-to-TV entertainment, without the hassle and clutter of a separate keyboard and mouse. Comfortable, quiet keys and a large (3.5-inch) touchpad make navigation effortless.
10 meter/33 ft wireless range
Watch video, browse the web, chat with friends and more, without annoying delays or dropouts. Enjoy a responsive, trouble-free connection even in large spaces.
Media-friendly TV keyboard
Enjoy relaxed media interaction thanks to volume and arrow keys, Windows/Android shortcuts, a second left-click button so you can navigate and make selections with two hands, and more.
Plug-and-play simplicity
Setting up K400 Plus is a snap. Plug the tiny Unifying receiver into a USB port and start the fun. Use the keyboard receiver to connect up to six Unifying devices to your computer.
Long-lasting battery life
Two pre-installed AA batteries last so long you might forget the K400 Plus uses batteries at all. (Actual battery life will vary with use, settings and environmental conditions.)
Works with multiple operating systems
Designed for use with Windows 7, Windows 8, Windows 10 and later, Android 5.0 or later, and Chrome OS.
Customizable control
Use K400 Plus right from the box, or personalize key and touchpad settings with Logitech Options software, available for download on the Logitech website.
System Requirements
Works with Windows 7, Windows 8, Windows 10 or later, Android 5.0 or later, Chrome OSUSB portInternet Connection (for optional software download) 
Batteries : 2 AAA batteries required. (included)
Is discontinued by manufacturer : No
Language : English, English, English, English, English
Product Dimensions : 35.43 x 13.99 x 2.35 cm; 390 g
Date First Available : 1 Jan. 2015
Manufacturer : Logitech
ASIN : B00XJ3LVPI
Item model number : 920-007143
Guaranteed software updates until : unknown
Delivery information:: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Media-Friendly: The K400 Plus wireless touch TV keyboard gives you integrated, comfortable control of your PC-to-TV entertainment, eliminating the clutter of a separate keyboard and mouse
Plug-and-Play: Simply plug the Unifying receiver into a USB port and the wireless touchpad keyboard is ready to go; adjust controls with Logitech Options Software to save preferred settings
Power-Packed: Built with laid-back control in mind, this wireless TV keyboard has a reliable and long battery life of up to 18 months (2), including an on/off button to help it last even longer
Wireless Freedom: Designed for seamless comfort and control, this external HTPC keyboard boasts a range of up to 10 m(1) wireless connectivity, with quiet keys and a large touchpad for easy navigation
Broad Compatibility: Designed for use with Windows 7, Windows 8, Windows 10 and later, Android 7 or later, and Chrome OS
Durable and Reliable: The spill-resistant design (4) and long-lasting keys keep you on-track despite any mishaps
Upgrade to Logitech K830 Keyboard: For increased comfort, illuminated keys, USB/Bluetooth connectivity and a rechargeable battery try the K830 wireless keyboard
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