1. Lightweight, offering a 3D experience. No battery or charging required. 2. It uses polarized lenses to reduce [missing information here] and increase [missing information here]. 3. It is made of materials that are environmentally friendly [missing information here]. 4. The color deviation at the edge of the glasses is relatively low, ensuring a relatively wider viewing angle. 5. Type: 3D glasses 6. Viewing experience: Non - immersive 7. 3D glasses type: Polarized, model VQ163R 8. Product size: Approximately 15.3 x 4.1 x 0.4 cm / 6 x 1.6 x 0.2 inches 9. Product weight: 12.9 grams / 0.45 ounces 10. Color: Black 11. Material: Plastic 12. Package contents: 4 pairs of virtual reality 3D glasses 13. Only the above package contents are included, and no other products are included. 14. Note: Light and different monitors may cause the color of the item in the picture to be slightly different from the actual one. The allowable measurement error is +/- 1 - 3 cm.