SUNNYPEAK Plastic Google Cardboard with 3D Virtual Reality Glasses & Adjustable Focal Distance for iPhone, Samsung, Nexus, HTC, Moto, LG Select Smartphones with QR Code (Black, with Magnet);

SUNNYPEAK Google Cardboard headset is made of high quality ABS. The magnet button that can let you interact with the screen easily. Focal distance and pupil distance both are adjustable. Large size of lenses to get super wide viewing angle and perfect 3D experience. Screen size below 6.0 inch is workable, the max length*width of phone is 160*87mm.
Note:
In order to keep the magnet ring working well, please don't push it too hard.
If the magnet doesn't work, please try different directions of phone when you put it into the headset, to make sure the magnet sensor is close to the magnet button (The magnet sensor is mostly located at the same side as the phone camera.
QR Code used in CARDBOARD app, please refer to figure 2 of this listing.