1. Support MP3, WMA music format.
2. Support lyrics display synchronization.

1. Support MP3, WMA music format.
2. Support lyrics display synchronization.
3. Firmware upgrade function.
4. 7 kinds of voice equalizer.
5. Support simple Chinese, traditional Chinese, English display
6. 36 Hour long record (128M) and VOX record.
7. Support 9 one-class directory and each has 99 play document.
8. Support system individuation configure document.
9. Support delete one current document or all songs(records) in one time.
10. Support self-defined open picture.
11. Support USB connecting and using in the condition of no battery.
12. Support USB start PC function.
13. 1.5 V/AAA battery.