•We don't suggest using it with musical instruments.Please use a specialized adapter for instruments like guitars or pianos.
•Turn off other Bluetooth devices to avoid interference.
•If only one AirPods seems to be playing audio, turn BT-20 off and back on.This will re-sync BT-20 and should reconnect both AirPods.
•If you want to pair a new set of headphones to BT-20, or clear the pairing list to factory settings, reset BT-20 by pressing and holding the Reset button on the side of BT-20 for four seconds.Once reset, BT-20's indicators will stay on 1s and blink quickly, and then will go into Pairing Mode.