Support MP3 / WMA / WAV format music. MP3 songs 32-320kbps, WAV / WMA is: 1411kbps or less Support USB / card switch, the song, the next song, volume control, EQ, play / pause, stop, mute, shutdown, direct election songs. Support Bluetooth Bluetoot one, the next song, volume control, play / pause, mute. Support the power and memory function: memory off before the song played and the volume can be memorized to the current point. Breakpoint memory (in playback mode withdrawn U disk or SD card the first time in about three seconds off the power again will the breakpoint memory play) Item Type: MP3 WMA Decoder Board colour:black Material:Plastic + metal size:10.7x2.5x2.3cm/4.21x0.98x0.91in(Approx) Remote Control Size: 8.5x4x0.6cm/3.35x1.57x0.24in (Approx) Package Contents: 2 x Decoder 2 x Surface Shell 2 x Remote Control 6 x patch cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.