Fangrui Product Details 1. G32 Bluetooth Mp3 Player Voice Navigation Car Charger Voltage Detection Fm Transmitter 2. Voltage Detection:monitor Your Car Battery Voltage In Real-time For Enhanced Safety And Vehicle Maintenance. 3. Bluetooth-compatible 5.0 Technology:enjoy Seamless Connectivity And High-quality Audio Streaming With Advanced Bluetooth-compatible 5.0. 4. Hands-free Calling:built-in Microphone Supports Safe, Hands-free Phone Conversations While Driving. 5. Multi-format Music Playback:supports Mp3, Wma, And Wav Formats For Versatile Audio Enjoyment. 6. Dual Usb Charging:features Two Usb Ports (5v2.1a And 5v1a) To Charge Your Devices On The Go. 7. Fm Transmitter:broadcast Your Music To Any Fm Frequency Between 87.5mhz-108.0mhz For Crystal-clear Sound Through Your Car Speakers. 8. Wide Compatibility:supports U Disk And Tf Card Storage Up To 32gb For Extensive Music Libraries. 9. Specifications: 10. Model: G32 11. Net Weight: 30.5g 12. Product Dimensions: 3.9*5*7.5cm 13. Bluetooth-compatible Version: 5.0 With A2dp Support 14. Operating Voltage: 12v~24v (9-26v Range) 15. Usb Output: Port 1 - 5v2.1a, Port 2 - 5v1a 16. Supported Formats: Mp3wmawav 17. Storage Support: U Disktf Card (1-32gb) 18. Operating Temperature: 0-50 Degree Centigrade 19. Sensitivity: -42db±3db 20. Working Current: 45ma (max) 21. Standby Current: 25ma (max) 22. Frequency Range: 2.402-2.480ghz 23. Rf Output: 4dbm 24. Battery Voltage Accuracy: ±1v 25. Signal-to-noise Ratio: Greater Than 60db 26. Distortion: Less Than 0.1 Percent 27. Frequency Response: 20hz-20khz 28. Channel Separation: Greater Than 60db 29. Bluetooth-compatible Range: Up To 10m 30. Microphone Range: 0.5-1m 31. Fm Transmission Range: 87.5mhz-108.0mhz