... movies, photos, e-book,support MPEG, AVI, RM, RMVB 4) Audio format:display music,support MP3, WMA, FLAC, APE, ... to 32 GB TF card 2) Viewing Size:52inches virtual screen 4:3 (at 2m distance) 3) Battery:3.7V (780mAh ... ), built-in battery 4) Battery Duration:About4-5 hours 5) Power:Consumption <0.9W ... 's manual,AC adaptor 0 52 inch eyewear virtual screen 4:3 screen glasses