... HD media player, Android pad, IPTV, 2.4G RF wireless remote control for TV Box, TV Stick, IPTV and HD Media player1 ... . 2.4G Wireless, USB2.0 receiver;2. Non-directional remote control3. OS:Windows, Mac OS, Android, Linux4. Devices:PC, Smart ... the button cell battery.2. Please Let USB receiver insert into PC/Android box/TV USB port.3. Please start to use ...