The Virtual Reality box with built-in 3D glasses, can turn your mobile phone to 3D theatre and 3D game player. View angle from 85-95 degree, like 3m distance watching 1000 inch screen.Compatible with any smart phones size between 3.5-6 inches. IMax experience at home, office, park, train, bus, airplane, any time and any where. Customized logo is highly welcomed.