C20 USB Car Bluetooth MP3 Music Player With Colorful Lights 1. Lossless sound quality, fast charging, Bluetooth 5.0 2. TF card playback, hands-free Bluetooth call U disk playback 3. Colorful breathing atmosphere light, seven-color light self-adjustment 4. Smart chip, smart protection 5. Double click to adjust the mode, Bluetooth TF card U disk 6. One-button hands-free call, built-in microphone, clear and smooth call 7. Increase the area of ​​the buckle, lengthen the non-slip shrapnel on both sides, make the buckle stable 8. Dual USB interface design, smart phone fast charging 9. Power off memory playback function, automatic connection back 10. Built-in high-performance decoding module, lossless transmission 11. Power supply mode: cigarette lighter type car MP3 12. Material: ABS 13. PC interface type: USB 14. Output current: 0.8A 15. Output power: 4w 16. Output voltage: 5v 17. Working voltage: 12-24v 18. Transmission distance: 10-15 meters 19. Music format: MP3WAV 20. Frequency response: 20-15000Hz 21. Weight: 40g