1.72 inch virtual display 2.480*240 resolution mobile personal eyewear ... 72'' 32GB video eyewear 480*2401.LCD display,72* LCD display.Equivalent2.Resolution,480*240(WQVGA)3.video format ... e-book,support MPEG, AVI, RM, RMVB4.audio format,display music,support MP3, WMA, FLAC, APE, AAC, and ... card,support up to 32 GB TF cardViewing Size72inches virtual screen16:9(at 2m distance)Battery3.7V (900mAh), ...