Description:This product is blue-tooth car charger mp3 player for vehicle. Adapting professional-grade high-performance bluetooth module，built-in mp3/wma decoder chip make it capable of playing the music files in u disk， firing into the car stereo via wireless. Besides，during the bluetooth connecting， play the phone?ˉs music and FM transmitter to Car Audio， perfect， as the calls incoming automatically switches to the speaker state，call end then automatically back the music player. So you do not do any modifications， easily enjoying the music and handsfree phone calls while you are driving.Features:Adjustable to any angles， and fit to all types of VehiclesFull frequency FM transmitterDigital DisplaySupport Line audio inputWith power off switch (USB direct connect)Support U Disk PlayerSupports MP3， WMA format musicBluetooth answer， hang up， reject， redial calls and other functionsBluetooth stereo music playEcho cancellation and noise suppression (CVC) technology during a callSupports dual USB output voltage， the maximum output 5V / 2AAutomatic power-off memory functionTechnical Parameters:Rated operating voltage: 12VWorking voltage limits: 9~26VUSB Output: 5V/2AWorking Temp.: 0~50?Support Play format: MP3 WMASNR: 60dBDistortion: 0?1%Frequency Response: 20Hz-15KhzLeft and right channel separation:?60dBBT Version: Version 2.0Bluetooth sound processing: A2DP(Advance Audio Distribution Profile)Bluetooth transmission distance: 10M-15MBluetooth microphone effective range: 0.5~2MFM transmission frequency: 87?5~108MhzFM transmitter mode: Stereo digital PLL lockingPackage included:1 x Bluetooth FM transmitter Car Charger1 x Audio cable1 x Manual