M9 Car Bluetooth MP3 Dual USB Car Charger(Black)

1. Lossless sound quality, fast charging, Bluetooth 5.0
2. TF card playback, hands-free Bluetooth call U disk playback
3. 3.1A dual USB interface design, smart phone fast charging
4. Smart chip, smart protection
5. 3 modes: Bluetooth / TF card / U disk
6. One-button hands-free call, built-in microphone, clear and smooth call
7. Rotating shaft design, easy to use, signal-to-noise ratio>60db
8. Built-in high-performance decoding module, lossless transmission
9. Frequency response: 20-15000Hz
10. Working temperature: -20-50 degrees Celsius
11. Power supply mode: cigarette lighter type car MP3
12. Material: ABS
13. PC interface type: USB+TF
14. Working current: 2.1A / 1A
15. Power: 1w
16. Output voltage: 5v
17. Working voltage: 12-24v
18. Transmission distance: 10-15 meters
19. Music format: MP3/WAV
20. Weight: 45g