Main Features:120 degrees large field of view， adopts Japanese imported PMMA lens， with 35mm focus showing a real viewImmersive sound and 3D vision are integrated， provides an excellent experience40mm diaphragm adopts PET material， more powerful soundSupport one key answering phone calls and volume controllingSuitable for people within 0 - 800 degrees myopia， and 0 - 400 degree hyperopiaAdjustable pupil fit for different usersVery good in heat dissipationLightweight design for long time comfort， reduces eye fatigueAdjustable headband adds no burden to your headBuilt-in stretchable earphones， with soft memory foam for noise canceling Specifications:Model: BOBOVR Z4 VR Glasses Type: VR Glasses Compatible with: Smartphones Material: ABS，Foam，PC Color: White Smartphone Compatibility: 3.5 - 6.0 inch Package Include:1 X xiaozhai Z4 3D VR Virtual Reality Glasses1* User Manual