Logitech K400 Plus keyboard Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black 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 using the 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 go even longer Wireless Freedom: Designed for seamless comfort and control, this HTPC keyboard boasts a range of up to 33 ft (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. Touchpad Height: 2.99 in (76 mm), Width: 1.85 in (47 mm) Product carbon footprint: 4.9 kg CO2e Certified carbon neutral. Brand:Logitech Compatible Devices:Laptop, Smart TV, PC, Tablet, Smartphone Connectivity Technology:RF, Unifying Receiver Keyboard Description:wireless qwerty Recommended Uses For Product:Multimedia Special Feature Built-in touchpad, Customizable controls, Media-friendly design, Wireless freedom Color:Black Number of Keys:84 Keyboard backlighting color support:Single Color Style：PLUS