1.2.4G RF Wireless 2. Ultra slim 3.Support TVBOX, TV stick,PC ... 4G RF wireless remote control for TV Box, TV Stick, IPTV and HD Media player1. 2.4G Wireless, USB2.0 receiver;2 ... cap install the button cell battery.2. Please Let USB receiver insert into PC/Android box/TV USB port.3. Please ... need to do, just when you change another Micro-signal receiver dongle, you need to following next steps:2) Using1. ...