1)mini projector,projector,WIN CE 5.0 2)support MPEG4 ... MP4, WORD,EXCEL,PPT,PDF,MP3,WMA etc.format MINI PROJECTOR:mini projector,projector,WIN CE 5.0support MPEG4 AVI, RM ... .4)Can switch-in USB wireless mouse 2.4G5)Can switch-in USB wireless Keyboard:2.4G6)Television signal( ... Optional):CMMB,DVB-T hand-held TV7)Wireless WiFi(Optional):built-in WiFi wireless network module8)Bluetooth(Optional):built-in ...