120 degrees large field of view, adopts imported ENRG lens, with 35mm focus showing a real view. Immersive sound and 3D vision are integrated, provides an excellent experience. 40mm diaphragm adopts PET material, more powerful sound . Support one key answering phone calls and volume controlling Suitable for people within 0 - 800 degrees myopia, and 0 - 400 degree hyperopia Adjustable pupil fit for different users. Very good in heat dissipation. Lightweight design for long time comfort, reduces eye fatigue Adjustable headband adds no burden to your head Built-in stretchable earphones, with soft memory foam for noise canceling