Clip-on 3D Glasses 1) thicken brown amethyst 3D eyewear 2) Metal frame 3) 3D movie, book, TV and game Clip-on 3D Glasses 1) Produce profile ... parameter: Indirect transmittance 90%,direct transmittance 15% 4) Usage area: 3D movie,science education medical 3D equipment,3D theater,3D TV,3Dcomputer game ...