1)sigmatel TA4 chipset
2)A-B repeat
3)support MP3/WMA USB plug and play
"4)5 different equalizer
modes(Jazz/Classic/Rock/Pop/Normal) "
5)hilgh quality recording and cycle play
6)max download apeed :400KBS
7)1 pc AAA battery , can play more than 12 hours
8)Support multi-language
9)ID3 lyrics display