VIEWR VRH-816 3D Virtual Reality Headset 3D ViewR: Be immersed in the 360 degree world of Games, Apps and Movies Apps and Games: Download countless VR apps on iTunes and Google Play Stores. Comfort: Adjustable straps and lens settings provide an amazing VR experience Value: Amazing and affordable way to get involved in the action. Simple to Setup and use - Simply insert your phone into the ViewR. No Batteries or charger required. The ViewR headset supports smartphones between 4.85"-6.25" width, 2.3"-3.8" length and 0.29"-0.37" thickness.