BT06 Car MP3 Bluetooth Player Car Charger Multi-Language Bluetooth Hands-Free FM Transmitter for Car Accessories This product is a car bluetooth hands-free car charger MP3 player, with high-performance professional quality bluetooth module 4.0+EDR, built-in MP3 decoding chip, can play music files on U disk and TF card, wireless transfer to car stereo, if your mobile phone with Bluetooth function can automatically switch to hands-free call and automatically switch back to music playback mode after the call is over, and you can also transfer the MP3 music in your mobile phone to your car stereo via wireless transmission . You don't need to modify your car, you can easily enjoy music while driving and use mobile phone calls hands-free. degrees Charging detection: USB2 supports 5V/2.1A Voltage detection accuracy: +_1V Signal-to-noise ratio: >60dB Distortion: 60dB Bluetooth version: Version 4.0+EDR Bluetooth audio processing: A2DP (Advance Audio Distribution Profile ) function Bluetooth transmission distance: less than 10M Effective distance for bluetooth microphone: 0.5-2M FM transmission frequency: 87.5-108.0MHZ Broadcast FM mode: Stereo digital PLL frequency lock: Package accessories 1. Main unit 2. Manual 3. 3.5mm audio cable Thank you!!