DC 5V Bluetooth 4.0 Audio Module Bluetooth Receiver Universal Audio Bluetooth Module

The stereo output module, built-in bluetooth antenna, simple structure, power supply is 4.2-5V, can be used as a power amplifier. Active speaker with bluetooth functon. 7-pin output interface with the 2.54 hole spacing, 7 pin output interface is: + power supply, ground, left sound track, right sound track, mute, LED indicator and reserved port. Among these, the reserved port is connected with a 100 ohm resistor in series. The LED indicates that Bluetooth is not connected and the flashing is fast. After the Bluetooth connected, it is flashing slowly.

Supply Voltage : 5V DC 100mA

Note: To avoid the buzzing/noise, Isolated (Separated) pure DC power supply should be used for this module.

Bluetooth motherboard * 1PCS
Electrolytic capacitor * 3PCS
LED * 1 PCS
Resistance * 1PCS (No Retail Package)