915 Generation Bluetooth 5.0 Amplifier Board Lossless Music Bluetooth Ampli

Amplifier board size: 2.9x3.6CM
Bluetooth 5.0, QCC3034, support for , AAC, , APTXLL, APTXHD, power on, with call function, the default volume is maximum
5V: drive dual 4 Euro 3W
6.5V: drive dual 4 ohm 5W
VCC, GND: power supply pins LN(-), LP(+): Left speaker
RN(-), RP(+): Right speaker
: The common terminal of the key, the other end of the key is connected to +, -, PREV, , PLY respectively
M+, M-: microphone head (with and negative electrodes)
Key Description:
"+": short press to increase the volume, long press to continuously increase the volume
"-": Short press to decrease the volume, long press to continuously decrease the volume
"": short press the song
"PREV": short press the previous song
"PLY": short press to play/pause/answer/hang up, long press for 1 second to reject incoming calls function description:
"PLY": long press for 3 seconds to force into pairing mode, long press for 6 seconds to clear the pairing list
"PLY"+"+": Press and hold for 1 second at the same time to enter the search TWS mode
"PLY"+"-": Press and hold for 1 second at the same time to enter the searched TWS mode
"+"+"-": Press and hold for 1 second at the same time to disconnect TWS
Colour:green
Material:PCB Package Contents:
1 x Amplifier Only the above package content, other are not included.
Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.