Oculars; Audiovisual receivers; Augmented reality software for games; Batteries, electric; Computer peripheral apparatus; Computers and computer hardware; Downloadable computer operating programs; Downloadable game software; Downloadable interactive multimedia computer game programs; Downloadable virtual reality game software; Headsets for virtual reality games; Interactive touch screen terminals; Optical sensors; Portable media players; Recorded computer operating programs; Remote controls for digital-era hardware, namely, wearable and hearable hardware for virtual reality (VR), augmented reality (AR), robotics and artificial intelligence; Slide or photograph projection apparatus; Spectacle lenses; Transparency projection apparatus; Video monitors; Video screens; Virtual reality glasses; Virtual reality headsets; Wearable activity trackers