Fangrui Product Details 1. Bc70 Car Bluetooth 5.0 Fm Transmitter Radio Adapter Dual Display Wireless Handsfree Call Mp3 Music Player Qc3.0 Pd Usb Charger 2. : 3. Bluetooth V5.0; 4. Support Dual Digital Tube Display; 5. Support Qc3.0 Fast Charge; 6. Support Pd Fast Charge; 7. Support Usb Type-c Usb Power Delivery (pd) 3.0 Protocol Quick Charge 3.02.0 Protocol Fcpscp Protocolafc Protocol Usb Bc1.2 Dcpfor Apple 2.4a Charging Specification; 8. Support Voice Assistant Function; 9. Battery Voltage Detection; 10. Automatic Power-off Memory Function; 11. Support Stereo Fm Transmission Technology; 12. Support U Disk Playback; 13. Support Tf Card Music Playback; 14. Support Wma, Mp3, Wav, Flac Music Format Files; 15. Bluetooth Supports A2dp, Avrcp, Hfp, Hsp; 16. Bluetooth Hands-free Call; 17. Support Bluetooth Stereo Music Dsp Technology. 18. Specification: 19. Rated Working Voltage: 12v-24v 20. Limit Working Voltage: 10~26v 21. Working Temperature: 0~50 Degrees C 22. Support Playback Format: Mp3 Wma Wav Flac 23. Signal To Noise Ratio: >60db 24. Battery Voltage Error: ±0.5v 25. Bluetooth Version: Version 5.0 26. Bluetooth Sound Processing: With Dsp Technology And A2dp (advance Audio Distribution Profile) Function 27. Bluetooth Transmission Distance: <10m 28. Bluetooth Microphone Effective Distance: 0.5~2m 29. Fm Transmitting Frequency: 87.5~108mhz 30. Output Current: 31. Usb: 5v1a 32. Qc 3.0: 5v3a, 9v2a, 12v1.5a 33. Pd: 5v3a, 9v2a, 12v1.5a 34. Applicable Phones: For Iphoneandroid Phones 35. Conditions Of Use: Universal, For Car With Fm Radio And Cigarette Lighter Normal Power Supply