... , IPTV and HD Media player1. 2.4G Wireless, USB2.0 receiver;2. Non-directional remote control3. OS:Windows, Mac ... ,TV Stick, Media Player.8. Communications 2.4G RF9. Working Distance 15 meters10. Dimensions 80*50 *10MM12. Battery ... open the cap install the button cell battery.2. Please Let USB receiver insert into PC ... dongle, you need to following next steps:2) Using1. Hold the device at any angle ...