1,Really capacity goods, 2,Many color available, 3,Built in lithium battery, 4,MP5 Player 5,Print logo,engraving logo . ... play formart supporting: MP3,WMA,FLAC,APE etc 4.Built-in Li-on battery through USB/AC charger 5.Function of ... .E-book function,support TEXT file,ID 3 , multi-task in-phase 10.A-B repeat, muti- languages supporting 11.Capacity: 1GB ...