EV is a brand which you can trust. We only develop products that were carefully tested. Your satisfaction is our main goal. What makes EV VR Unique? New cavity design creates a high-definition 3D and immersive experience. Object distance and IPD Sync can be adjusted, people with different vision and IPD can enjoy it freely. Unique Spherical/Aspheric double convex optical lens creates a 110-degree wide angle view. The light transmittance rate can reach 98%, the image quality is better than most VR products Can block more than 90% of radiation and blue light hazard from mobile phones Soft leather pad gives your comfort and will last a long time. A half-open panel design for heat dissipation of your phone How to use Download an app with 3D contents in Apple app store or Google play store. Put your phone at the center of the cover and push to tightly seal them together. Wear the VR glasses, then adjust pupil distance by rolling the gear on the top, and adjust the object distance by turning the left and right knobs until your eyes are comfortable. Users below 600-degree myopias can watch without glasses, and higher than 600-degree myopias can watch with glasses. Product Information Size: 7.48” x 4.13” x 3.75” Suitable phone size: 4.7-5.7 inches Supported phone systems: iOS, Android, Window and more Package Contents 1 x VR headset 1 x User manual 1 x Cleaning clothTake Action! Get one as a gift for your family or friends.