Gikfun Virtual Reality Headset 3D VR Glasses for 4-6 inch Smartphones iPhone 6 6 Plus, Samsung Galaxy S7 S6 Edge EK3029 Optical lens Tech,Nanometer process lens use aspheric lens with high precision anti radiation, HD anti-blue ray tempered glass membrane to resist blue light,more immersion and high clarity can well protect eyes,more healthy. Suitable for almost all kinds of smart phones (Android / IOS, etc) that screen between 4.0-6.0 inches Adsorption type front cover. The front cover can be moved. It's best to amke mobile phone cool and camera can be used. Best Adjustment of focus and object distance to make best feeling.Human engineering design and easier to wear Adjustable pupil distance (PD) and focal distance (FD) bring you enjoyable experience