1. Wide Compatibility : Comfortably fits iPhones, Android phones, Windows phones with a screen size within 4.0 - 6.0 inches2. FD & OD Adjustment : Adjust your suitable focal distance by rolling the gear at a range of 55mm - 75mm, and adjust the object distance by pushing the button so as to get a stretch lenses.3. Comfort design with sponge area - Extemely soft and thick foam is perfect long time use. Top light and thin is the ultimate goal for wearing equipment, Just only weight 263g.4. Ergonomic Head belt Design : Ergonomic design ensures a balanced stress condition in three points on the head (concentrated on the forehead), reducing 30% pressure to the eyes.5. Virtual Reality Apps : Check out these VR apps in Google Play store, Apple App store, and immerse in the exciting world of VR!