... 3 wide screen virtual display, None radiation LCD panel2.Adjustable focus let some nearsighted user enjoy the movies glasses free.3. ... ambient Temp -5C-+40 C ,storage ambient Temp -10C-+50 CPower Duration:3.5 hrsPower Supply:DC 3.7V/750mAh ... Accessories:USB Cable, Eyepatch,Headstrap,Carry Case,User Manual NEW Video Glasses,72inch Virtual Screen Mobile Theatre with IPD and Focus adjustment 720P