Feature:Adjustable to any angles，and fit to all types of VehiclesFull frequency FM transmitterDigital DisplaySupports AUX 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 functionSpecification:Working Voltage:12VLimit Voltage:9-26VUSB Output:5V/2A(Max)U Disk Play/USB Output port 5V/2A(Max)Support Format:MP3 WMASNC>60dBDistortion<0.1% *Separation of left and right>60dBBT Version:Version 2.0Bluetooth Sound Process:With A2DP(Advance Audio Distribution Profile)Distance of BT:10-15MBluetooth Mic Effect Distance:0.5-2MFM Transmitter Frequency:87.5-108MhzFM Transmitter Mode:Digital Stereo PLL LockPackage include:1x Bluetooth car charger1x AUX cable1x Manual