Logitech Keyboard 920-007119 Wireless Touch Keyboard K400 Plus HTPC Keyboard for PC connected TVs

OS/Platform Support Windows 7, Windows 8, Windows 10 or laterAndroid 5.0 or laterChrome OSTMUSB portConnection Type Logitech Unifying protocol (2.4GHz)Special Keys Mute, Volume Down, Volume UpConnect / Power On/Off SwitchBattery Details 2 x AABattery Life (not rechargeable) Up to 18 monthsKey life Up to 5 million keystrokesTyping noise Within 55 dBA for all keysWireless range33 ft (10 m)Item Dimension (L inchxW inchxH inch)6 x 14 x 1Weight 1.00lb Warranty Information1 year