HY82 Car MP3 Bluetooth Receiver Dual USB Car Charger, Specification: Regular Version 1. Using FM full-frequency wireless transmission technology, it can directly read the audio files in the mobile phone Bluetooth TF card U disk 2. Support Bluetooth audio playback and Bluetooth hands-free calling 3. Support smart APP function, lossless high-quality audio decoding 4. Dual USB3.1A fast charging, battery voltage detection 5. LED screen, can display frequency point, song serial number and working status information 6. Support folder switching playback function, song classification playback 7. Support power-off memory function 8. Charge 2 mobile phones at the same time, support charging while listening to songs 9. Precise structure design, piano paint appearance 10. Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer 11. Material: ABS 12. Signal to noise ratio: 85db 13. Supported file types: MP3WMAAPEFLACWAV 14. Frequency response: 87.5-108MHz 15. Input voltage: 12-24V 16. Power: 15.5W 17. Output current: 3.1A 18. Working current: 50-100mA 19. Dimensions: 46x39x80mm 20. Weight: 30g