... goods, 2,Many color available, 3,Built in lithium battery, 4,MP5 Player 5,Print logo,engraving logo . MP5 Player specifications ... display (320*240) 2.Video play formart supporting: RM,RMVB,MPEG-4(AVI) & FLV,3GP,MPG,DAT,VOB,MP4,MOV,ASF etc ... 3.Audio play formart supporting: MP3,WMA,FLAC,APE etc 4.Built-in Li-on battery through USB/AC charger 5 ...