1. mass memory: 128M/ 256M/ 512M/1024M optional 2. Supporting MP3/WMA/WAV formats 3. color OLED screen 4. ID3 display showing lyrics 5. Digital voice recording 6 Play modes :normal, repeat, repeat all, follow read, compare read 7. E-book, telephone book 8. Sound equalizer: jazz, classic, rock, pop, normal, soft, DBB 9. support multi-languages: Chinese, English, Germany, France, Italian, Portuguese etc 10. USB 2.0, high download speed 11. FM tuner including auto and manual searching channels 12. Li-polymer Rechargeable battery 13.recording 36 hours (128MB) and VOX recording 14.9 first grade catalog, each catalog contains 99 files 15.self- defined greeting logo while powering on machine 16.A-B repeat, follow read, compare with original sound 17.Multilanguage up to 16 nations( specific types)