How to use:
After the power is turned on, the blue indicator light flashes quickly and enters the Bluetooth mode; after the "prompt tone" is broadcast, it enters the pairing mode and waits for pairing; the mobile phone Bluetooth searches for "XY-WRBT" (the name of the power amplifier board device).
Click "XY-WRBT" to connect, after the connection is successful, the "prompt tone" indicator light will be on, you can play mobile music, and the indicator light flashes slowly when playing music; after the Bluetooth is disconnected, the amplifier board prepares for the next pairing and playing. After the prompt tone, enter the pairing mode and wait for pairing.