Featuresr it is a great supplement and extending device of the network set top box and bring you wonderful experience of watching movies and playing gamesr materials uses abs and spherical resin lens material without stimulation plastic sheet environmentalr you will not feel visual fatigue and dizzy even you use long time with the resin lensr offers you super 3d picture effect and wonderful feelingr easy to install your cell phone onto the 3d glassesr adjustable pupil distance and sight