Dual USB Charger, Support Bluetooth / Micro SD Card / TF Card / USB Disk

1.Small appearance size, practical in most of the cars.
2.Support bluetooth 4.0/3.0/2.0, Support voice&calling prompt.
3.Support charger of Android & iphone or other device,max,output 3.1A.
4.Full frequency FM transmitter, total support 208 frequency.
5.Digital Display, car battery voltage display.
6.Support TF card/U disk MP3/WMA music play, support folder switch function.
7.Bluetooth answer, hang up, reject, redial calls and other functions.
8.Echo cancellation and noise suppresson(CVC) technology during a call.
9.Automatic power-off memory function.