Fangrui Product Details 1. Y9 Retractable Cable Bluetooth Fm Transmitter Voltage Display Car Charger Mp3 Player 2. Bluetooth-compatible 5.3 Technology:advanced Bluetooth-compatible 5.3 Ensures Stable Connectivity And High-quality Audio Transmission For Hands-free Calling And Music Streaming. 3. Fm Transmitter:built-in Fm Transmitter With A Range Of 87.5-108mhz Allows You To Play Your Music Through Your Car's Audio System. 4. Multi-function Charging:features Retractable Charging Cables Including Type-c (100w Fast Charge Support), Ip (2.4a), Usb Port (3.1a), And Type-c Port (3a) For Versatile Device Charging. 5. Ambient Lighting:seven-color Ambient Light Adds A Customizable Atmosphere To Your Car Interior. 6. Eq Adjustment & Noise Cancellation:customize Your Audio Experience With Eq Settings And Enjoy Clear Calls With Echo And Noise Cancellation Technology. 7. Voltage Detection:built-in Voltage Detection Ensures Safe Charging For Your Devices. 8. Specifications: 9. Weight: About 40g 10. Interface: High-speed Usb2.0 11. Screen: Led Screen 12. Support Tf Cardu Disk Capacity: Less Than Or Equal To 32gb 13. Power Supply: Dc12v-24v 14. Support File Types: Mp3wavapeflacwma 15. Working Current: 50-100ma Dc12v 16. Bit Rate: 64-320kbps 17. Fm Frequency Range: 87.5-108mhz 18. Signal-to-noise Ratio: 85db (fm: 65db) 19. Harmonic Distortion: Less Than 0.05 Percent (fm: Less Than 0.1 Percent) 20. Operating Temperature: 0-60 Degree Centigrade 21. Bluetooth-compatible Version: V5.3+edr 22. 14transmission Distance: Less Than 5 Meters