DECOMPRESSION EQUIPMENT: The adjustable T-shaped straps reduce 30% pressure around face through balancing the stress on head. Fit for different head sizes (both adults and children). Deepened nasal bridge portion for no paining noses. HEAT DISSIPATION DESIGN: Excellent heat dissipation with detachable attracted-iron cover and two ventilated holes on the two sides. Soft and breathable leather pad keeps your eyes comfortable even after hours watching. WIDER VIEWING ANGLE AND HD LENS: HD resin Aspherical lenses and 110-degree wider viewing angle provide an amazing visual fidelity and outstanding 3D experience. Reduce deformity and distortion, eliminate vertigo and prevent visual fatigue effectively. No more dizzy feeling! EASY TO FOCUS PD and OD: Pupil distance and object distance can be adjusted separately according to your need. Perfect for people with myopia under 500 degree. Easy to get the natural eyesight within seconds. PERFECT COMPATIBILITY: Compatible with all iPhones, Android phones within 4.7-6 inches. Such as iPhone X 8 5/SE/6/6s/7/7 plus; Samsung s8/s7/s7 Edge/s6/s6 Edge Note8/5/4/3; LG G3, G4, G5, G6, V10, V20; Nexus 5, 6P etc.