K400 is a quiet, easy-to-use keyboard with a built-in touchpad, plus all the hotkeys Windows® and Android™ users know and love. Complete with media controls that make navigating your PC-controlled TV a breeze. Total Control from the Couch Wireless plug-and-play keyboard with integrated touchpad for total control of your TV-connected PC from your couch. K400 is a quiet, easy-to-use keyboard with a built-in touchpad, plus all the hotkeys Windows and Android users know and love. Complete with media controls that make navigating your PC-controlled TV a breeze. Designed for Laid-Back Control The built-in touchpad keeps your typing and navigation all in one place. When it comes to your PC-controlled TV, K400 makes navigation easier with no need to connect keyboard and mouse separately (or get off the couch). So you can seamlessly watch videos, browse the web, or chat with friends. Built to Keep Going K400 is built with the same high quality and reliability standards that have made Logitech the #1 global leader for mice and keyboards. Up to 18 months of battery life eliminates the hassle for frequent battery changes, with a handy on/off switch and power-saving technology that preserve battery life. The spill-resistant design and durable keys keep you on-track despite any mishaps. Quiet Keys, Large Touchpad Comfortable, quiet keys and a large touchpad make navigating entertainment effortless, even setup is a snap thanks to the tiny, plug-and-play USB Unifying receiver. Wireless and Compatible Powerful, lag-free wireless gives you up to 33 ft (10 meters) of freedom with no delays or dropouts. Designed for use with Windows 7, Windows 8, Windows 10 and later, Android 7 or later, and Chrome OS. Customizable Use it right out of the box, or customize your controls with Logitech Options software. Preset controls make it easy to adjust volume, make selections, or use your favorite Windows and Android shortcuts. Made with Recycled Plastic The plastic parts in K400 Plus include 60% certified post consumer recycled plastic to give a second life to end-of-life plastic from old consumer electronics and help reduce our carbon footprint. Technical Specifications Dimensions

Height: 5.51 in

Width: 13.95 in

Depth: 0.93 in

Weight: 13.76 oz (with batteries)

Touchpad Height: 2.99 in

Touchpad Width: 1.85 in

Connection

Connection Type: Logitech Unifying protocol (2.4 GHz)

Wireless range: >33 ft / 10m wireless range

Battery

2 x AA (included)

18 months battery life

Warranty

1-Year Limited Hardware Warranty

System Requirements

Computers, phones, and tablets that support external keyboards

Windows 10,11 or later

Android 7 or later

ChromeOS

USB connection: Available USB port required.