Ergonomic design: The ergonomic T-shaped shoulder strap balances head pressure, reduces eye, face and head pressure by 30%, and does not cause dizziness and fatigue when viewing glasses with 3D VR.Professional lenses that greatly reduce optical malformations, glare, and eye strain. Adjustable shoulder strap for different sizes of heads.Comfortable to wear and easy to adjust: Facial liners made of soft leather make your skin feel comfortable, allowing you to watch longer without irritating.Mirror lenses with unparalleled clarity make VR movies a visual experience comparable to the world-renowned IMAX.Compatible with 5~7 inch mobile phones.