The NAXA NA-3029 MP3/WMA FM Modulator/Transmitter with LCD Screen Product Features: Slim Compact Design Wireless Transmission of Music from most Audio Device to FM Radio Plays MP3/WMA formatted Music through the USB & SD Inputs LCD Digital Display with 206 FM Frequencies to Select Ideal for MP3, MP4, CD & MD Playback 3.5mm Stereo Audio Input Jack for Most Audio Devices with Aux Cord Full Function Remote Control Fully Adjustable Cigarette Lighter Input Arm