Featuresr the 3d glasses is a great supplement and extending device of the network set top box and bring you wonderful experience of watching movies and playing gamesr 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 the included magnetic magnet switch magnetic control adjustment control operation bao feng mo jing app and google cardboard appr the included sucking disk on the cover of the 3d