**Giant Version** I AM Cardboard&reg; 50mm Focal Length Virtual Reality Cardboard Kit - Inspired by Google Cardboard Specially made for bigger smartphones such as Nexus 6, Samsung Note 2/3/4, Oneplus One, iPhone 6 plus and other 4.7-inch to 6-inch screen size. Asymmetrical Biconvex lenses 37mm diameter and 50mm focal length Complete Kit with NFC, Magnets, Elastic band, Velcro and Head Strap Pre-built and assembled in seconds. NOTE: Magnet function is not compatible with iPhone and smartphones without magnetometer.