Quick DetailsGlasses Type: 3D GlassesPlace of Origin: Guangdong,Website:://.jrdoptics.com, China (Mainland)Brand Name: JRDModel Number: S683D Glasses Type: PolarizedClip material: MetalLens material: 0.4-1.1mm TAC lensPolarized efficiency: 99.99%single transmittance: above 42%Packaging