... .Support TVBOX, TV stick,PC,Notebook HD media player, Android pad, IPTV, 2.4G RF wireless remote control for TV Box, TV ... -directional remote control3. OS:Windows, Mac OS, Android, Linux4. Devices:PC, Smart TV, Set-top-box, Android TV Box,TV Stick ... button cell battery.2. Please Let USB receiver insert into PC/Android box/TV USB port.3. Please start to use ...