Portable 3.5mm FM Transmitter Bluetooth FM Modulator Steering Wheel Control 1.5"inch LCD Car MP3 Player - Support SD, MMC, USB w/ Remote Controller Bluetooth Enable Cell Phones 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