Portable Universal DIY 3D Glasses Google Cardboard Vr Virtual Reality 3D Video Glasses for 4~7 Smartphone With Resin Lens For iPhone Samsung HTC And Almost Smartphones Adjustable pupil distance and sight distance, satisfying different groups of people. Easy to install your cell phone onto the 3D glasses. Protective mat and adjustable board can clamp your phone firmly. Head mount to put around your head and enjoy a visual feast comfortably, allowing you staying in bed or sofa as you like. Suitable for Android and IOS smartphones that screen between 3.5~6 inches.