ZwTech Unassembled DIY Google Cardboard Virtual Reality 3D Glasses without NFC VR for Smart Mobile Phone iPhone Samsung Galaxy Android HTC Phone with Printed Instructions and Easy to Follow Numbered Tabs Suitable for 4-5inch screen cellphone Installation process is simple and can be completed within 3 minutes A simple and inexpensive DIY Google virtual reality glasses Complete Kit without NFC, pre-built and assembled in seconds Can control your phone with the magnets