Glasses brings immersive 3D experience to VR games/videos/movies, It strikes a balance between immersion and clarity of vision, giving you the best VR view to watch 360-degree videos. It is compatible with Android and IOS and suitable for 4.7-6.5 inch smartphone! You can wearing it when playing a video gaming or watching 3D VR movies, travel all over the world at home. Specification: Compatible: 4.7 inch to 6.5 inch screen FOV: 90-108° Focal Distance : Adjustable Battery: AAA 1.5V x 2 (not included) How to use VR Headset? 1.Download VR App on your phone application store, google cardboard or appstore; 2.Open VR APP on your phone; 3.Put Phone on the VR Headset; 4.Adjust the focal distance and pupil distance Once again until your eyes feel comfortable; 5.Choose wihich movie or video games you are interested and open the app, then enjoy 3D VR Videos. Package Included: 1X 3D VR Headset 1X Remote Controller (AAA battery Not include) 1X Cleaning Cloth 1X English User Manual