1、[Multiple Formats] This MP3 decoder board supports MP3, WMA, WAV, lossless APE, FLAC format music, 2‑320kbps MP3 songs, 1411kbps and below WAV, WMA music. 2、[Input Method] With USB and Storage Card (not included) slot, can play music in external U disk or Storage Card, and FM radio, with memory function and LED display, easy to operate. 3、[Hands Free Calling] This wireless decoder board has a BT sound receiving module, supports BT 2 and hands free calling, and with call number reminder. 4、[Flexible Switching] Car stereo hands free call recording module supports USB, Storage Card, BT, FM switching, very flexible, and supports conversion reminders. 5、[Full Featured Panel] BT decoder board supports Storage Card and U disk switching, song selection, volume adjustment, EQ, play, pause, stop, mute, shutdown, and direct song selection.