K400 Plus Wireless Touch Keyboard - Media friendly integrated design: the K400 Plus combines a wireless keyboard with a built-in touchpad for comfortable control of PC and TV entertainment, eliminating the need for a separate keyboard and mouse. - Plug-and-Play setup: includes a USB Unifying receiver for simple plug-and-play connection. Insert the receiver into a USB port and the wireless touch keyboard is ready to use. To customize controls and save preferred settings, use Logitech Options Software. - Power and navigation: built for long-lasting use with up to 18 months of battery life. The keyboard features a large touch surface for easy navigation and convenient control during media consumption. - Compatibility: supports Windows 7, Windows 8, and Windows 10, and is designed to be used with Chrome OS. - Durable and reliable: sturdy construction with long-lasting keys for everyday use in media centers and living rooms. - Touch surface and dimensions: touch surface height 76 mm (2.99 inches), width 47 mm (1.85 inches).