TechElec 3D VR Headset (3.5 to 6.0 Inch Screens), Virtual Reality Glasses with Adjustable Lens and Strap for Movies and Games AN INCREDIBLE EXPERIENCE With the 3D Box, you can become fully immersed in another world, experiencing graphics in rich, lifelike 3D WORKS WITH THE LATEST APPS AND GAMES Use the virtual reality headset with "VR Games" Apps or "3D Split Screen" Videos on your smartphone (Note: It does't work with Google Cardboard Application) A BETTER VIEW The 3D VR glasses put you in control of your virtual reality experience with adjustable focal length and object distance COMFORTABLE FIT Virtual reality headset features an adjustable strap to keep it securely and comfortably in place UNIVERSAL DESIGN Our 3D Box is compatible with Android and iOS devices with 3.5 to 5.5-inch screens (Note:4.7-5.0 inch smartphone would get the best visual effect; Please adjust the position of sponges to aviod pressing any function button!)