California Sugar One VR Virtual Reality Headset for iPhone Samsung DIY for 3D Movies White Convenient to use: adjustable, you can watch at anywhere whether sitting, lying or standing. Only can look at the left-right 3D film, 3D screen effect is good, awesome feeling Secret images, other people can not see anything except to the wearer himself Work with arduino Android ISO system cell phones which can be 4 - 5.7 inches Suitable for people who less than 600 degree myopia