BT5.3 CAR BT FM transmitter PD40W

1.BT version: 5.3, chip:Bluetrum
2.Output: USB: 5V/3.1A (music interface); Type-C: 5V/3.1A
3.Support BT, U disk (<32G) playback, support FM audio output;
4.Support BT, U disk music playback, built-in cardiovascular light;
5.Working principle: connect the car FM through frequency modulation, and connect the mobile phone with Bluetooth;
6.LED screen, 7-color ambient light, can display frequency points;