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、Rechargeable battery 12、Size: 57 x 38 x 11mm 13、Weight: 30g