Functions: big size Virtual feeling, Non radiable LCOS panel, scatheless on eye; DVD image quality, Materialize perfectly the image quality of IPOD,Playstation and X-box , 3G Mobile TV High colors:16.7M colors Contrast: 100:1 Auto AV input (NTSC /PAL/SECAM) AV input form out sourcing AV signal Built-in double audio stereo speakers Technical specification: 80" inch Virtual Display feeling,Digital monitor. Display resolution:640X480dots X 3, 922,000pixels Angle of View: 34 degrees Color: 24Bit driver Video signal: 1 Vpp/75Ω Sound signal: 200mVrms/20KΩ AV input jack: 3.5 female, 4-pole. AV connector cable The 4-pole hole male 3.5, 3.5 male jack audio and video. Multimedia: Stereo Earphone 0.1 Watts × 2 Ch RCA connector cable : the 4-pole hole female 3.5, RCA in yellowwhitered. Power consumption: 1.1W Operating Voltage Range: 3.3V-5.5V Li-on Battery , 850mAh,2Hours AC Adapter: 100-240Vac, 50-60HZ, 5V