Highdas New Adjust Google Cardboard VR BOX Virtual Reality 3D Glasses For phone 4.5~6in Made of high quality plastic. Professional design of headband is convenient and comfortable to wear. One second change your phone into IMAX cinema,just one step to VR world, let you enjoy 3D world at anywhere and anytime You can wear your glasses with 3d glasses, adjust the optical axis of the lens(not focus), The system doesn't need to be tethered to any exterior hardware,as all processors to drive the 3D experience are already built-in in most phones, which means you have absolute freedom of movement and are not restricted to any cables