he nHance VR3 Fold is a lightweight, compact virtual reality headset which has all of the adjustable features of a professional fully built VR headset. It sports a humongous 40mm lens capable of changing IPD upon users requirements, delivering an amazing VR experience. The distance of the phone to the lens can be adjusted effectively giving a dynamic Focal Length. Phones of different sizes can be adjusted vertically and the side flaps (blinkers) can be adjusted as well depending upon the phones screen to body ratio.It delivers what other huge and expensive VR headsets deliver but in a tiny, sleek and a portable frame - small enough to practically fit in a tight fitting demin jeans pocket. This small foldable VR headset opens doors to new possibilities for virtual reality on the move.*subject to compatibilityDisclaimer: Google Cardboard is the trademark of Google Inc.Note: You have to hold the phone while it sits inside the VR headset - do not hold the VR headset or else the phone might slip and fall, causing damage.Adjustable between 75 mm to 63 mmCompatible OS:Android, iOS, BlackBerry, Windows