REALVOX Plastic Focal and Pupil Distance Adjustable Google Cardboard Virtual Reality Headset 3D VR Movie Game Glasses for Samsung Moto LG Nexus HTC iPhone with Bluetooth Remote, Black/White Lightweight, durable construction with versatile design.The humanized head strips design to feel comfortable while wearing. The maximum suitable size of phone: 162 x 81x 11mm (LxWxT). Recommended phone size is 4.7 -5.9 inches. Fit for iPhone 6 Plus/ 6/5S/5, Samsung Galaxy S6 edge/Galaxy S6/S5/Note 4/Note 3, LG G3, HTC ONE M9/Desire 816,SONY XperiaZ3+,ASUS Zenfone 2 etc. Lens adjustable in both pupil distance and focal distance. The button on the top can adjust focal distance as well as pupil distance. Push it left/right to get the best pupil distance; Slide it forward /backward to get the best focal distance. Insert your phone in the front cover,make sure the phone fix in the center place vertically and horizontally for better VR experience. The slidable front cover is available for AR.The front cover can be moved for heat dissipation of phone. Ventilation holes on both sides are convenient for inserting earphone and charging. Wireless Bluetooth Remote Control can be used for smart phones, tablet, TV box, game controllers, wireless mouse, as well as bluetooth selfie shutter for mobile phones. With Li-Ion rechargeable battery and compatible with Android and PC systems. There are three modes to choose: Mode 1: Android mouse/shutter/game; Mode2: Android music/shutter/game; Mode3: IOS shutter/game. Note: In IOS system, IT SUPPORTS MUSIC PLAY AND SELFIE ONLY.