Fangrui Product Details 1. Car Bluetooth Mp3 Player Ambient Light Charger 2. Bluetooth Version: 5.3 3. Bluetooth Sound Processing: With A2dp (advance Audio Distribution Profile) Function 4. Rated Working Voltage: 12v~24v 5. Usb Port 1 Output: 5v1a U Disk Playback 6. Type-c Output: 5v2.4a 7. Usb Port 2 Output: 5v2.4a 8. Music Format: Mp3wmawav 9. Support U Disk: 1-32g 10. Working Temperature: 0-50 Degrees 11. Sensitivity: -42db+-3db 12. Working Current: 45ma (max) 13. Standby Current: 25ma (max) 14. Frequency: 2.402-2.480ghz 15. Sensitivity: -92db 16. Rf Output: 4dbm 17. Signal-to-noise Ratio: 60db 18. Frequency Response: 20hz-20khz 19. Left And Right Channel Separation: 60db 20. Bluetooth Transmission Distance: Less Than 10m 21. Bluetooth Microphone Effective Distance: 0.5-2m 22. Fm Transmitting Frequency: 87.5mhz-108.0mhz 23. Effective Launch Distance: 2m 24. Can Detect Car Voltage 25. Built-in Microphone, Supports Bluetooth Hands-free Calling To Receive Incoming Calls Safely 26. Supports The A2dp Function Of Mobile Phones. After Connecting To Bluetooth, High-fidelity Music Can Be Played Directly 27. Support U Disk Playback, Support Mp3wmawavflacape Multiple Music Decoding Music Formats 28. Support Output Overvoltage Protection, Short Circuit Protection, Overcurrent Protection, And Overtemperature Multiple Protections 29. Automatically Reconnect And Enter Pairing State After Power On. 30. Support U Disk Playback (1g-32g) 31. Net Weight: 29.8g 32. Size: 4.6x4.23x7.36cm