• The 3D glasses is made of high-definition optical resin lens materials without stimulation plastic sheet that is environmentally friendly, fully enclosed designedfor 360 viewing and gaming ( 90 - 100 degree FOV )Farsightedness and nearsightedness settings, no side effects for your eyesightOne key to controlThe adjustment of focal length can be up to 20 mmPerfect for video, movies, games, etc.can effectively alleviate the mobile heating problemconvenient to wear the 3D glasses on your head, adjustable elastic headband, for a variety of head typeother people can not see anything except the wearer himselffor watching at anytime anywhere whether sitting, lying or standingeven you use long time with the resin lensThe humanized design is convenient to wear the 3D glasses on your head• The specially designed lenses require no adjustment what so ever, compartment also big enough for most prescription glasses if needed• 3D picture of the screen effect is pretty good, and you get awesome feelings• Flip cover design allows the phone to access freely with suction cups• Suitable iPhone 6S / 6 / Samsung / HTC 3.5 - 6 inch screen smartphone