Blisstime Google Cardboard V2.0 3D Glasses Vr Virtual Reality Cardboard Kit with Headband Fit for 3-6inch Screen Easier to enjoy:most part of the 3D glasses has been assembled well,the least parts can be assembled in less than 10 seconds;this kit also includes QR codes for fast access to various VR apps.So,just slide,flip,secure and enjoy. Better viewing experience:Included biconvex lenses 37mm in diameter and Focal length 45mm which can make you experience a truly stunning,engrossing VR experience with cinematic HD visuals from your smartphone's screen. More comfortable:come with adjustable headband and 3 sponge stripes to decrease the pressure and protect your nose,bring you a more comfortable experience. Google Cardboard version 2 - larger size (fits mobiles from 3.5" to 6"), bigger lenses ( Virtual Reality Glasses Imax of 37mm in diameter ). The magnetic button is replaced by a conductive button on top. Works with most iPhones and Android devices.Such as Nexus 4/5, Moto X and Galaxy S4/S5/S6 | HTC One, Moto G, iPhone 5/5c/5s/6/6s/,if you are unsure of your smartphones compatibility with Google Cardboard apps, don't hesitate to send us an email/message.