mp3 player, tiny size and light weight,Multiple sound mode 1) Support MP3/WMA format3) Very tiny size and light weight4) Built-in speaker5) Support digital voice record & replay of MP36) Support bass effect; Multiple sound mode7) Support A-B replaying; built-in Li-battery9) Long time playback (up to 12 hours)10) ID3 support, lyric display11) Color :Blue, Red, Silver, Black,Orange, White