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.
1, no DC isolated power supply: suitable for lithium battery power supply, used to modify Bluetooth headset
2, DC isolated power supply(DC5V): suitable for retrofitting speakers, amplifiers, car to increase the Bluetooth function, perfect solution to the common current sound, noise
Two 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 largest
Better sound quality with TI amp TPA6132
GND and BAT: 3.7V lithium battery (3.6V-5.5V)
GND and VCC: Select 5V or 12V power supply according to DC isolation module
L, G, R are single-ended outputs, can be connected to headphones, amplifiers, audio and other input devices
M+ and M- are the positive and negative poles of the microphone
COM is the common end of the button, and the other end of the button is connected to VOL+, VOL-, PREV, NEXT, PLY
“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 hold for 3 seconds to force the pairing mode, press and hold for 6 seconds to clear the pairing list.
“PLY”+“VOL+”: Press and hold for 1 second to enter the search TWS mode.
“PLY”+“VOL-“: Press and hold for 1 second to enter the searched TWS mode.
“VOL+”+“VOL-“: Press and hold for 1 second to disconnect TWS
1 x DC5V Amplifier board
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