CSRA64215 bluetooth 4.2 Power Amplifier Board TWS Dual 5W Speaker Audio Power Amplifier for APTXLL Lossless Music HIFI

Description Amplifier board size 2 9x3 6CMWith call function CSRA64215 low power consumption V4 2 power on the default volume is maximum5V drive dual 4 ohms 3W6 5V drive dual 4 ohm 5WVCC GND power supply pinsLN LP left speakerRN RP right speakerCOM Button public terminal the other end of the button is connected to VOL VOL PREV NEXT PLYM M Microphone with positive and negative poles Key Description VOL Short press to increase the volume long press to increase the volume VOL Short press to decrease the volume long press to decrease the volume continuously NEXT short press a song PREV Short press the previous song PLY Short press to play pause answer hang up long press for 1 second to reject the callSpecial function description PLY Long press for 3 seconds to force enter pairing mode long press for 6 seconds to clear the pairing list PLY VOL Press and hold for 1 second at the same time to enter the search TWS mode PLY VOL Press and hold for 1 second at the same time to enter the searched TWS mode VOL VOL Press and hold for 1 second to disconnect TWSPackage included 1 x Amplifier board