l. Support MP3，WMA，WAV，ASF audio formats 2. Power-off memory, can set sleep mode and energy saving mode for your convenient use 3. 7 EQ modes of normal, rock, pop, classic, soft, jazz and DBB 4. U-disk, build 杘n USB, disk management function 5. Support multi-playing modes such as normal mode, single song repeat, song list repeat, all songs repeat, random playing, browse playing. 6. 7-color splendid backlight, one AAA alkaline battery 7. Record/repeat function, can record via microphone and save as WAV and ACT audio files, can make choice between segment repeat and contrast repeat，realizing real digital repeat function 8. Support 12 languages operational menu, displaying title and lyric 9. Firmware upgradeable, provide download service of the latest upgrade software on our homepage 10. Multi optional music effect equalizer, FM tuner radio receiver (optional) 11. Dimension: 98*31*23mm