Sell Best Selling Bluetooth 4.0 Stereo Amplifier Module best price

Before the delivery of goods will be checked to ensure quality of the product is maintained. Bluetooth stereo amplifier module, built-in bluetooth antenna, simple structure, 4.2-5V power supply, can be used as power amplifier. Speaker active with bluetooth function. The 7-pin output interface with a hole distance of 2.54, the 7-pin output interface is: + power supply, ground, left sound track, right sound track, mute, LED indicator, and booked port. Among them, the port is connected to the 100 ohm resistor in series. Led shows that Bluetooth is not connected and flash fast. Once Bluetooth is connected, it flashes slowly. 30mm x 20mm x 3mm Packages include: 1 x Bluetooth module 2 x electrolyte capacitor 1 x LED indicator 1 x Resistor (without retail packages)