3D Glasses - VR Case Virtual Reality Mobile Phone 3D Glasses RK 5th Head-mounted Stereo Vision Game for 3.5-5.5 Inch Smart Phone for Games and Movies White Concise and fluent appearance, appearance with high sense of science. skin-imitated leather perforating design, more comfortable to wear on. Flexible and soft head belt. Can freely adjust the size and tightness. Can adjust lens position on all sides. Human design of the adjustment button, easy to operate. Clamshell design, for easy setting. Automatic stretching design, compatible with mobile phone sizes.