[Easy to Pair] Turn on the transmitter and the receiver, press the pairing button of the receiver, then press the pairing button of the transmitter for more than 2 seconds, then they're paired successfully(If Transmitter & Receiver can not connect with each other, they need ID Pairing to Reset before first using, please see User Manual. )
[4 Channels & Convenience] The double-sided USB cable can charge the transmitter and receiver simultaneously, easy to switchover between the 4 signal channels