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 42mm aspherical optical resin lens material without stimulation plastic sheet environmentalr offers you super 3d picture effect and wonderful feelingr simulating viewing distance offer you a 100 inches big screen at the distance of 3mr easy to put your smart phone into the 3d glasses easily pull the smart phone