... & school:Light weight and slim design, make school teaching and business presentation very simple and easy.2. Portable Moive Player & Theather:With built-in MP4, you ... hours Photo Formate: JPEG, BMP,GIFVideo: MPEG4,AVI, RM, RMVBAudio: MP3, WMA, FLAC, APE,AACBuild-In Speaker: Stereo(1W)Battery: 1700mah ...