DFR0718 Bluetooth 5.0 Audio Receiver Board

This is a compact and cost-effective Bluetooth 5.0 audio receiver module that supports automatic reconnect function. It can be powered by a micro USB or 3.7V lithium battery. You can easily convert your old speakers into wireless Bluetooth speakers with this module. If short circuit the Sound Card pads on the back of the module and connect the board to a computer via USB cable, you can use it as a Sound Card.