One of the most advanced VR Headsets to watch 3D Movie Videos, prevents dizziness and has anti Bluelight Lens Virtual Eyes How to Use: 1.Download and play the video test Enter Android play store or iOS App store to download VR resources on mobile phone (connect to WI-fi for better experience),select and install APP - specific to the phone model, then download the videos or games to test whether the device are split screen on the left & right sides and can play normally. 2. Open the cover plate, insert your cell phone into the VR headsets, make sure the mobile phone screen is in the middle, then close the cover, Adjust the screen to the right direction. 3. Adjust the pupil distance once wear the VR headsets,adjust the focal distance to get the best experience.its also compatible with nearsighted person. Description Immersive virtual reality glasses Viewer with 3D stereo headphone Smartphone Compatibility: 3.5-6.0 inch Main feature: 1. EYES PROTECTION WHILE ENJOYING MOBILE 3D IMAX: The Built-in Tempered Glass Film in the VR Box will Protect Your Eyes from Blue Ray, Radiation While Turning Your Smartphone into a Priviate 3D Movie Theatre/Game Screen(earphone can be employed), Immerse Yourself in the Virtual Reality Anytime You Want(The Movie Need to be left-right format 3D Video to Enjoy the Shocking 3D Effect. Search "VR", you will find there are More than 300 VR Apps on App Store or Google Play Store for You) 2.FITS ALL PEOPLES' NEED: Easily Adjusted Wear Band & Pupil Distance & Sight Distance to Meet All Kinds of Needs. Also, it can be Wore on With or Without Eyeglasses for People with Myopia under 600 Degree.