【Hands-Free Calling】The built-in microphone provides you with an amazing hands-free function after connected with cell phone via Bluetooth. Automatically switch to hands-free mode from music playing status when receiving a call. Make driving easy and safer.
【Dual USB Ports】One is 5V/2.1A USB charging port to get your phone full charged in short time, and the other is designed for reading USB files.
【FM Transmitter Radio Adapter】Wirelessly stream high quality audio to the car FM stereo system via Bluetooth connection to compatible devices, or insert U disk and micro SD card. FM 87.5-108.0MHz full channels covered（The sound would be better if you tune the channel to 106.0~108.0).