The MP3 player decoder board supports bluetooth-compatible connection, which is convenient to use. It can be remote controlled with 10 meters. It is operated with 4 buttons, which is easy to use. External audio cable, TF card and U disk are supported. Music in MP3, WMA, WAV, FLAC and APE formats are compatible with it. Item Name: MP3 Player Material: ABS Bluetooth-compatible Version: 5.0 Loudspeaker: 2 x 3W FM Receiving Frequency Band: 87.5MHz-108.0MHz Features: Remote Control, Large Compatibility, Easy Operation Size: 85mm x 32mm/3.35"; x 1.26"; (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Buttons Operation: VOL button (Previous Song/Lower Volume): In MP3 state, VOL-short press means the previous song, long press means to lower the volume; in FM state, short press the tuning station number; then press. Short press the bluetooth-compatible last song under the bluetooth-compatible function, long press to decrease the volume. Auto button (Play/Pause): In MP3 state, short press to automatically play/pause; in FM state, short press to indicate play/pause, long press to indicate automatic reception and recording; in bluetooth-compatible function, short press / Play overtime. VOL + button (Next Song/Volume Increase): In MP3 state, short press VOL + to a song, long press to increase the volume; short press in FM state to tune the station number; in bluetooth-compatible function Down, short press to play the next bluetooth-compatible song, long press to decrease the volume. Mode button: Exchange between USB/Micro-SD/FM/AUX/Bluetooth-compatible functions. Package Includes: 1 x MP3 Player 1 x Cable