glassninjaMeet the Powis PopUp Viewer: a compact VR viewer based on Google Cardboard that combines with your smartphone to let you view virtual reality content anywhere. The viewer is compatible with iOS and Android smartphone (4 to 6.5″).
More items like this: here
The headset opens with a pop when you need to use it and folds when you are done. Costs under $15 at this time.
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