Enegg Portable 3.5mm FM Transmitter w/ Remote Controller for iPhone , Samsung , HTC , LG , Sony, Mortorola, Huawei, Xiaomi - Bluetooth 1.5" -inch LCD Car MP3 Player 1.5" LCD screen car MP3 player; Equipped with caller ID function; Supports Bluetooth speakerphone 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