DC5V QCC3008 bluetooth Audio Module HiFi bluetooth 5.0 Receiver for APTX LL TWS DIY Speaker Amplifier Home Theater

Note The chip models are all QCC3008 but due to the unstable supply of the chip except for a little difference in appearance the usage is exactly the same Please Make sure you don t mind before purchasing Product description Size 3 6x3 3CM1 no DC isolated power supply suitable for lithium battery power supply used to modify Bluetooth headset2 DC isolated power supply DC5V suitable for retrofitting speakers amplifiers car to increase the Bluetooth function perfect solution to the common current sound noiseTwo mobile phones can be connected at the same time method 2 mobile phones that are paired last automatically With call QCC3008 Bluetooth V5 0 for APTX power on the default volume is the largestBetter sound quality with TI amp TPA6132GND and BAT 3 7V lithium battery 3 6V 5 5V GND and VCC Select 5V or 12V power supply according to DC isolation moduleL G R are single ended outputs can be connected to headphones amplifiers audio and other input devicesM and M are the positive and negative poles of the microphoneCOM is the common end of the button and the other end of the button is connected to VOL VOL PREV NEXT PLYKey Description VOL short press volume long press continuous volume plus VOL short press volume down long press continuous volume minus NEXT short press PREV Short press on the previous track PLY short press play pause answer hang up long press 1 second to reject the call Special Key function PLY Press and