Bluetooth Audio Receiver Board(TWS/Apt-X) TSA7801B It has a optical input

It has a optical input connector on the board which can accept different sampling rates digital audio source

The capacity depends on the cells that you used

The module will appear as "TSA9840"

You can use it to build a wireless intercom system or a wireless broadcasting system

click TX button on that module

Bluetooth Audio Receiver Board(TWS/Apt-X) TSA7801B It has a optical inputThis is a Bluetooth audio receiver which supports TWS function. This Bluetooth Music Receiver connects to the Line In or Aux input on your home audio system. You can then stream audio from your Bluetooth enabled cell phone or mp3 player to your home audio system. Enjoy the convenience of having your music source in the palm of your hand and listening to it through your home stereo. We have enabled the TWS function on this board. User can also use two