VR Envy Velocity (Unassembled) - Google Cardboard Virtual Reality Headset with NFC (Black) Easy to assemble (watch our video on YouTube or our website) Simply insert your phone into your phone and you're ready to experience virtual reality Includes NFC tag, quality biconvex lenses, and a magnet (magnet and NFC tag work with Android Phones running Android 4.1 version and up) Purchase the VR Envy Headstrap (optional) that clips on to your viewer (instead of using Velcro and tape which can lead to you tearing the viewer when unstrapping your headband) to enjoy your virtual reality experience hands-free