1: The 3D Glasses is made of ABS and spherical resin lens materials without stimulation plastic sheet that is environmentally friendly fully enclosed designed. 2: The distance between the phone and the lens design can be adjusted so that it suit for people w/ different visions 3: Suitable for 4~7 inch screen mobile phone 4: Secret images other people can not see anything except to the wearer himself 5: Convenient to use: can watch at anytime anywhere whether sitting lying or standing 6: You will not feel visual fatigue and dizzy even you use long time w/ the resin lens . 7: 3D picture of the screen effect is super good awesome feeling 8: Only can look at the left-right 3D film support Android and IOS .