Features:
car digital music changer
Direct Connection with CD quality
No FM transmit noisy
Widely extend sources-USB/SD/AUX. (Up to 16GB)
Bluetooth hand free function (answer/hang up the call use the audio button, Support the mobile music playing while connecting with BT)
Charge IPod and keep IPod unclock while playing
Control digital music changer from your car audio buttons Support Steering wheel control
Easy to install and use
full accessores:
3.5 line audio cable,usb reader ,data line connect with car audio,ipod line(USB 3.0)
installation diagram: