Bluetooth 5.0 FM Transmitter Car Adapter QC3.0 USB Fast Charger MP3 Music Player

Description

Bluetooth FM Transmitter Manual: BH442A

1. QC3.0 quick charge port (DC 5V/3A,9V/2A, 12V/1.5A)
2. Microphone 1
3. Knob button
4. Microphone 2
5. Short press to enter previous track
6. Multifunction button: pause/play/hands-free call (answer/hang up/reject a call)
7. CH/A button
8. Digital display
9. 5V/1.5A / U disk port(FAT32)
10. RGB light
11. Short press to enter next track
12. RGB adjustment button/long press 2s to power off