WORKS WITH GOOGLE CARDBOARD: Scan the QR Code to calibrate your mobile device and ensure perfect 3D immersive viewing perfomance in all your VR apps. TRU-LENS: Slow-injection rate lenses and precision jig assembly ensures perfect lens alignment in every viewer. COMFORT: Comfort-fit nose pad and plastic coating protects VR viewer from sweat, make-up and grease. READY ASSEMBLED: Hook and loop fastening plus band for fast and secure smartphone grip. DURABLE & PORTABLE: Light yet hard-wearing carboard body. CAPACITIVE BUTTON: Allows interaction with 1000s of virtual 3D worlds.