Turbot VR Virtual Reality Headsets 3D Glasses with Adjustable Head Straps for 3D Movies and Games The best 3D immersive experience: Turn your smartphone into a virtual reality viewer. Enjoy real 360 videos and immersive world of VR from the comfort. Extemely soft and thick foam is perfect long time use. FD & OD Adjustment: Adjustable Pupil Distance (PD) and Focal Distance (FD)at a range of 55mm - 75mm Myopia less than 600 degree is ok to use this VR headset. Tips: The focus adjustment is NOT independent for each eye. Wide Compatibility: Perfect fits iPhones, Android phones, Windows phones with a screen size within 4.0 - 6.0 in. Adjustable Sight: Fully adjustable focal and object settings ensure that nearly all eye types can view true 3D without eye strain or pain. Humanized design headband can reduces pressure on your eyes and nose, comfortable for wearing for the best 3D experience. VR Apps: More than 300 virtual reality headsets apps on Apple App Store and Google Play Store for you download. (reminder: In order to get a correct clear view, pls select the "Split Screen Mode" from 3D VR contents in some specific Apps downloaded in Google Play Store or Apple App Store)