Wireless Audio Power Amplifier bluetooth 4.0 Audio Receiver Module For DIY Modified Speaker

Instruction: http://myosuploads3.banggood.com/products/20190401/20190401014932bluetoothaudiomoduledocumentation.pdf Description: The module has stereo output, simple built-in bluetooth antenna structure, 5V power supply voltage, and bluetooth connection function is added to active speaker. The 7PIN output interface is 2.54 through holes, and the 7PIN output interface is +power supply, ground, left channel, right channel, mute, LED status indication, reserved port. Among them, the state port of the LED is connected with a 100-ohm resistance series LED indicating that it is connected to the ground. When bluetooth is not connected, it is flash. When bluetooth is connected successfully, it is slow flash. Volume: 30 x 20 x 3 mm. Package included: 1 x bluetooth Audio Receiver Module 1 x LED 1 x Resistor 2 x Capacitance