1)mini projector,projector,WIN CE 5.0 2)support MPEG4 AVI, RM, RMVB, ... , MP4, WORD,EXCEL,PPT,PDF,MP3,WMA etc.format MINI PROJECTOR:mini projector,projector,WIN CE 5.0support MPEG4 AVI, RM, RMVB, FLV ... polymer battery,2000Am,5V,2A30)Dimension:125(length)*64.8(wide)*24.8(height)mm31)Accessories:USB Cable,Earphone,AV/YPbPr ...