Car MP3 Player FM Transmitter with Steering Wheel Controller LCD Display for SD Card/ USB Stick / Mp3 Players FM Modulator Car Audio With Remote Control 1.5" LCD screen car MP3 player; Equipped with caller ID function; Supports Bluetooth speakerphone Free Steering Wheel Control for Hands-free Calls! Adopts call echo cancellation and noise suppression (CVC) technology Automatically switch from music player to call mode Equipped with stereo Bluetooth and FM transmitter technology Supports USB flash drive/ SD card, external CD, MP3 player audio input, MP3/WMA music format, automatic power-off memory function