ElecFreaks Unofficial Version Google Cardboard v2.0
increased headband for liberation of your hands , NFC tag(Please make sure your phone support NFC),keep all same with office version and more solid. Google Cardboard puts virtual reality and 3D movie on your smartphone. Try a variety of immersive demos on Android, and get inspired to build your own using the VR Toolkit at http://g.co/cardboard.
Silver ring x1
Black ceramic magnets x1
Rubber band x1 and more
Focus Length 40mm,
Machine Cutting Mould ( Not hand-cut or laser-cut )