Findbest Virtual Reality VR 3D Headset Video Movie Game Glasses For 4.7~6 inch Smartphones Suitable for Myopia People within 600 Degrees, Adjustable Focal Pupil Distance Very easy to adjust Pupil Distance (PD) and Focal Distance (FD) to get the best 3D immersive experience: one knob for PD, another knob for FD. Pupillary Distance adjustment range: 55mm - 75mm. Myopia less than 600 degree is ok to use this item without wearing glasses Good cooling design: The front cover is adsorbed by magnet, easily to be remove, make the phone cool while using; You can charge and use earphone at the same time through the ventilation holes on both sides Comfortable Design: Soft Leather Edges around Face Mask & Adjustable Strips Soft leather edges around the face mask which goes against your face. Adjust the straps correctly before use, your head and neck will not feel sore from having that weight Immersive: Great quality materials, simple Design and fully functional. High-definition optical resin lenses to get the most immersive 3D viewing. You can enjoy your personal IMAX at home anytime. Protect your eyes & Radiation Protection: no side effects for your eyesight; Without Visual Fatigue and Dizzy even you use long time with the resin lens