Ergonomic design: ergonomic T-shaped shoulder belt can balance head pressure, reduce the pressure of eyes, face and head by 30%, and will not cause dizziness and fatigue when using 3D VR to watch glasses. Professional lens can greatly reduce optical deformity, and eye fatigue. Adjustable shoulder different sizes of head. Comfortable to wear and easy to adjust: the face lining made of soft leather makes your skin feel comfortable and allows you to watch for a long time without irritation. The rear-view mirror with unparalleled clarity makes the visual experience of VR film comparable to the world-famous . Compatible with 5-7 inch mobile phones. Colour:Black Material:ABS Package Contents: 1 * 1 * instruction 1 * cleaning cloth Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia