iDudu VR - Virtual Reality Headset with Stereo Headphone for iPhone & Android Smartphones iDudu Virtual Reality Headset Built-in stretchable Headphone Compatibly Fits for All smartphones series with screen size 4- 6.2 inch Button Adjustment,Two tranches button of Interpupillary distance and Focus adjustment,greater precision,more convenient and stable knobs Oversized 42mm lens imports,shocking 3D Immersive Experience Adjustable Pupil Distance (PD) and Focal Distance (FD)at a range of 58mm - 68mm,different visual enjoyment Three Adjustable straps for flexible wear,high grade perforated leather material suitable nose bridge and face foam protector,bring you ultra comfortable feeling