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. It comes with a new AudioB plus Bluetooth module that supports Apt-X. Note:TSA6013 can auto-detect the Aux in/Line in Audio input. Bluetooth Audio source has higher priority. When Bluetooth audio is paused or Bluetooth is disconnected TSA6012 will auto select the Aux in/Line in audio source. If you need a Bluetooth receiver that has Aux in/Line in audio source with higher priority, please use our TSA6011 receiver board. Features: Size: 42*32*11mm Bluetooth 4.2 Apt-X supported Stereo receiver Effective transmission distance: 10-15m Micro USB female port for powering the receiver from any USB power source(5VDC) Compatible with all Bluetooth devices that support media audio, including iPhone Documents: How to change the BT name TSA6013 Bluetooth module PSR file