TWS TPA3118 Amplifier Audio Board Amplificador,Not Suppo

Product information: Bluetooth 5.0, supports serial port renaming, supports one-key TWS pairing, supports AUX insertion into TWS pair box, power on and start up, the default volume is the highest.
When 16V4A, the maximum output power is 30W; When 12V4A, the maximum output power is 20W.
8-22V power supply, with reverse connection protection, support notebook power adapter power supply.
Boards and devices are well-crafted, with sufficient materials and reliable quality.
M+ and M- are the positive and negative of the microphone.

TX, RX, GND: TTL serial port configuration 9600, N, 8, 1
Power amplifier board size: 7.1x4.3CM
Fixing hole distance: 6.6x3.8CM
Type: B: not supports calls.
type: Amplifier Board
color:Black
Material:+electronic components

Package Contents:
1 x TWS Amplifier

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.