Logitech K400 Plus Wireless Touch TV Keyboard with Easy Media Control and Built-In Touchpad About this item Wireless TV keyboard with touchpad: Enjoy effortless control of your TV connected computer Compact and slim: Perfect for the living room Comfortable, quiet keys and large (3 inch) touchpad: The ideal HTPC keyboard. Overall dimensions Height 5.5 inch, width 14 inch, depth 1 inch. Touchpad height 3 inch, width 2 inch 10 meter (33 foot) wireless range: Ensures trouble free connection in the largest room (Wireless range may vary depending on operating environment and computer setup) Familiar, media friendly key layout: Eliminates any learning curve while adding easy access volume controls and arrow keys Plug and play design: Unifying receiver makes setup of your TV keyboard a snap Connection type: Logitech unifying protocol 2.4 GigaHertz 18 months battery life: Goes for well over a year without changing batteries Wide compatibility: Works with Windows 7, 8, 10 or later Android 5.0 or later Chrome OS