"The latest Cardboard Viewer based on Google’s "The New Cardboard", unveiled at Google I/0 2015. This viewer is equipped with amazing, purely aspherical lenses that were molded right here in our lab. Like all of our models, the Knox V2 is produced from the highest quality cardboard that’s made in the USA. It is quick to assemble and works well with all smartphones." from Knoxlabs' website.
Support for screens up to 6 inches, 37 mm in diameter lenses ; conductive touch button ; works with any phone