Coolux Keyboard Air Mouse Wireless Remote Control for Smart TVs (White) It works as a mouse, which converts your space movement in the air into an accurate displacement on the screen. It works as a keyboard, and you can use it portable to replace your usb keyboard. It works as a remote, which you can program and learn some important keys from your TV remote. It is designed with some universal function keys, which work for most TV boxes, HTPC. (it is not granted to work for all though because some systems are customized by the vendor) Support System: 1. Google/ Android OS 2. Mac OS 3. Linux OS 4. Windows