Adjustable pupil distance and sight distance (adjustable on pupil distance and object distance)?? suitable for people within 0-600???? 0-200?? hyperopia?? satisfying different groups of people.</br>Built in bluetooth 4.0 function?? wireless remote your smart phone and without taking it off from your VR Box. Must-have?? you can enjoy an Easy 3D life via a normal mobile without 3D function.</br>Version: 85?? ~ 110?? view?? bluetooth is built in??360?? panoramic video?? pectacular 3D Reality Vision with IMAX effect. Smartphone turned into virtual reality viewer. Download vr apps?? watch 3D video & movies?? play virtual reality games. 3D IMax experience at home/office/park etc.</br>Compatible with iPhone??HTC??HUAWEI et"droid phone with 4.5 inch to 5.5 inch.  Ergonomic Head belt and COMFORTABLW Design: adjustable T-shaped strap can take care of your eyes and put zero pressure to relieve the load of nose bridge and eyelid so as to alleviate feeling of fatigue. Silicone material?? no poison?? good elasticity and toughness.</br>make sure the lenses are clean by using a soft dry cloth only. The best distance between player and camera is around 2 meters / 6ft. Don't move the camera after set-up. Check it hasn't drifted from its original position and is on a stable surface.</br></br>Product Description</br></br><b>Sp