Virtual reality headsets; virtual reality glasses; headphones and earphones; interactive touch screen terminals; audio- and video-receivers; audio interfaces; touch screens; smart glasses; portable media players; educational apparatus and simulators; monitors, display screens, head mounted displays, and headsets for use with computers, smartphones, mobile electronic devices, wearable electronic devices, smart watches, smartglasses, televisions, set top boxes, and audio and video players and recorders; virtual and augmented reality displays, goggles, controllers, and headsets; wireless communication devices for the transmission of voice, data, images, audio, video, and multimedia content; computer software and computer applications; animated cartoons; video films; wearable electronic devices for accessing virtual reality; electronic publications; accessories, fittings and parts for the foregoing