Made to fit smartphones from 4 to 6 inches in length, it has a soft cover and adjustable straps to securely fit your head. Made of quality materials and excellent workmanship, these VR headsets are built to last. Adjustable, high tensile straps and pupil distance adjusters ensure a comfortable and strain free fit for anybody. The headset supports 4.0-5.5 inch smartphones. (best on 5.5 inch screens).