Fangrui Product Details 1. Car Bluetooth Mp3 Player Audio Fm Transmitter With Ambient Light 2. Product Parameters: 3. Product Material: Abs 4. Product Weight: 37g 5. Product Size: 7.4x4.8x4cm 6. Bluetooth Version: 5.0 7. Rated Working Voltage: 12v~24v 8. Limit Working Voltage: 9-26v 9. Usb Port Output: 5v3a 10. Type-c Output: 5v3a 11. Music Format: Mp3wma 12. Support U Disktf Card Capacity: 1-32g 13. Working Temperature: 0-50 Degrees 14. Sensitivity: -42db+-3db 15. Frequency Response: 20hz-20khz 16. Bluetooth Transmission Distance: Less Than 10m 17. Effective Distance Of Bluetooth Microphone: 0.5-2m 18. Effective Launch Distance: 2m 19. Features: 20. The Product Can Detect The Voltage Of The Car Battery In Real Time, And The Safety Reminder Is Clear At A Glance 21. Built-in Microphone, Support Bluetooth Hands-free Calling 22. Support Mobile Phone A2dp Function, After Connecting To Bluetooth, You Can Directly Play Hifi Lossless Music 23. Built-in Colorful Atmosphere Breathing Light, Which Can Adjust Different Lighting Modes 24. Support Mp3wma Format Music 25. Automatic Power Off Memory Function