F17 3.1A Dual USB Charger Bluetooth 5.0 Car MP3 Player

1. Bluetooth hands-free call USB/USB with charging function 3.1A
2. Handle echo and noise during calls
3. Stereo Bluetooth and FM emission technology
4. Supports USB, TF, and Bluetooth
5. Support MP3/WAV music
6. Automatic power failure memory function
7. Cigarette lighter power supply: DC12V-24V voltage power supply
8. Bluetooth version 5.0FM transmission frequency: 87.5-108mhz
9. Voltage detection
10. Colorful atmosphere lights