Lightweight and give you a high-quality 3D .No batteries required and 't need recharging.Polarized lens to reduce and increase .Adopting high quality material, environmental-.Low degree of color deviation on the edge of glasses ensures wider viewing angles.Type: 3D GlassesViewing Experience: Non-Immersive3D Glasses Type: Polarized: VQ163RItem Size: Approx. 15.3 x 4.1 x 0.4cm / 6 x 1.6 x 0.2inchItem Weight: 12.9cm / 0.45ozcolor:BlackMaterial:plasticPackage Contents:4 x Virtual Reality 3D GlassesOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.