HSEOK VR Box Virtual Reality Headset 3D Video Movie Game Glasses, Enhanced Version with Adjustable Pupil and Object Distance for 4.0-6" Android Smartphones, iPhones, Samsung Galaxy, Sony, Black 3D VR GLASSES with adjustable pupil and object distance design, slightly adjust the position of the spherical resin lens through moving the button on the top to get a better experience of watching movies. Perfect for users with myopia problem under 600 degrees. Ergonomic Head Belt Design with adjustable straps suitable for wearing, ensures a balanced stress condition in three points on the head, reducing much pressure to the eyes; the soft padding in front of the VR cardboard also makes it comfortable to wear. VR Glasses Protects Your Eyes. With blue coating film, the lenses of this headset can reflect the blue light from your smartphone, safeguarding your eyes while watching videos. New generation VR 3D glasses with excellent heat dissipation function to prevent the phone heating and fogging. With compact portable design, easy to carry. Use high quality ABS and spherical resin lens material, environmental, high quality, lowering down the distortion to the minimum when magnifying the images and providing wider view; You will not feel visual fatigue and dizzy even you use it for a long time because of the resin lens. Compatible with most Android and iPhones with 4.0-6.0 inch display, including iPhone 4S/5S/6 Plus, Samsung Galaxy S3/S4/S5/S6/Note4/Note5, LG Nexus 4/5, LG G2/G3/G4, HTC,etc. You need to download a virtual reality?VR) app to your device before enjoying the VR field of view.