1> Supporting MP3 / WMA music play formats 2>Built-in quick flash memory: 128M / 256M / 512MB / 1GB 3>Built-in FM radio (optional) 4>ID-3 tag support with repeat, follow-read and contrast function 5>Super-long and VOX voice digital recording from mic 6>7-color back light 7>Dot matrix LCD display 8>EQ: Normal/ Rock/ Pop/ Classic / Jazz 9>Mulit-languages support 10>Low power consumption, one AAA battery could be continuously used for 8 hours 11>Supporting synchronized display of song and lyrics 12>Unit size: 82*30*21mm, weight: 30g