This item does not have the Magnet Parts so it can not control like the Google Cardboard 3D. But you can use this item view 3D movie and 3D game on your cell phone.

Features:
3D VR Virtual Reality glasses， wonderful Real 3D Experience; Plastics manufacturing， excellent workmanship.
You can use this item view 3D movie and 3D game on your cellphone.
Pupil distance and FL can be adjusted.
Uses ABS and spherical resin lens materials without stimulation plastic sheet， environmental.
Secret images， other people can not see anything except to the wearer himself.
Convenient to use: can watch at anytime anywhere whether sitting， lying or standing.
Can work with ISO system and Android 4.1 (or above versions) cell phones which is 4 - 6 inches.
Note:
Only can look at the left-right 3D film.
This item does not have the Magnet Parts so it can not control like the Google Cardboard 3D
It also doesn't contain NFC component.

Specifications:
Diameter of the lens : 34mm / 1.4in
FL of the lens: 75mm / 3.0in
Myopia: Less than 600 degree
Compatibility: Over Android 4.1 and IOS
NFC: not included
Max size of the phone can cover: 85 *165mm / 3.3 * 6.5in
Item size: 17 * 9.5 * 13cm / 6.8 * 3.8 * 5.1in
Item weight: 225g / 7.93oz
Package size: 20.3 * 17 * 11.2cm / 8 * 6.8 * 4.5in
Package weight: 268g / 9.45oz

Package List:
1 * Head Mount Plastic Version 3d VR Virtual Reality Glasses