Logitech K400 Plus Wireless Touch Keyboard for PC Connected TVs with a wide area of connectivity up to 10 meters gives you the convenience of using wherever you want. Experience a wireless experience that is just like your computer with the highly responsive touchpad on your TV. Do not worry about the battery life because it is long lasting up to 18 months with a power button to conserve battery life. Compatible with Windows, Android, Chrome OS. read more