1. Support multi-language and ID3
2. Support MP3, WMA, WAV
3. LCD: multi color backlight display
4. USB2.0 port
5. EQ: Normal/rock/jazz/bass/pop/class
6. Capacity: 128MB / 256MB / 512MB/1GB
7. Build-in FM receiver (optional)
8. A-B repeat
9. One AAA battery keeps playing more than 10 hours 10. Output power: 10mW + 10mW
11. Frequency response: 20HZ－20KHZ
12. Signal/Noise: 95dB
13. Recording format: WAV
14. Firmware upgradeable
15. Support Windows 98/2000/XP, no driver is required except Windows 98
16. Accessory: USB cable ，installation disk ,　headphone, user manual