: Look for "BL12-A3" in the list of available devices and select it.
Ensure your smartphone’s Bluetooth is active. Search for the pairing name, which typically appears as "BL12-A3" or "Mirror-BT" . bl12a3 bluetooth full
: Often includes an IR receiver port for infrared remote control support. Common Applications DIY Bluetooth Speakers : Look for "BL12-A3" in the list of
Solder or plug your audio output: