Foho VR-III Visor 3D Virtual Reality Glasses With Bluetooth Controller Shocking 3D immersive experience, more comfortable and stable knobs Innovative design comfortable wearable - adjustable straps for flexible wear Compatible for smartphones available for iOS, android & PC phones series within 4.0-5.9 inches Top wheel for sight distance adjustment, left & right bottom for (PD) pupil distance and (FD) focal distance adjustment at a range of 55mm - 75mm Myopia glasses directly wearable - magnet-adsorbed easy removing front cover, enable you to charge and use earphone, headphone available