BT06 Car MP3 Bluetooth Player Car Charger Multi-Language Bluetooth Hands-Free FM Transmitter For Auto Accessories Supplies This product is a car bluetooth hands-free car charger MP3 player, using high-performance professional-grade bluetooth module 4.0+EDR, built-in MP3 decoding chip, can play music files in U disk and TF card, wirelessly transmit to car o, if Your mobile phone with Bluetooth function can automatically switch to the state of hands-free calling, and automatically switch back to the music playing state after the call is over, and you can also transmit the MP3 music in your mobile phone to your car stereo through wireless transmission. No need to modify your car, you can easily enjoy music while driving and use mobile phone calls hands-free 【Product parameters】 Rated working voltage: 12V-24V Limited working voltage: 8-27V USB output: Dual USB output 5V/3.1A Working temperature: 0-50 degrees Charging identification: USB2 supports 5V/2.1A Voltage detection accuracy: +_1V Signal-to-noise ratio: >60dB Distortion: 60dB Bluetooth version: Version4.0+EDR Bluetooth sound processing: A2DP (Advance o Distribution Profile) function Bluetooth transmission distance: less than 10M Effective distance of bluetooth microphone: 0.5-2M FM transmission frequency: 87.5-108.0MHZ Transmit FM mode: Stereo digital PLL frequency lock: Packaging accessories 1. Main unit 2. Manual 3. 3.5mm o cable