9 Audiovisual teaching apparatus; commutators; counters; meters; regulating apparatus, electric; converters, electric; electric apparatus for commutation; switches, electric; detectors; record players; distance recording apparatus; apparatus for recording distance; measures; measuring apparatus; transmitters of electronic signals; audio- and video-receivers; quantity indicators; precision measuring apparatus; measuring instruments; computers; computer programs, recorded; remote control apparatus; computer operating programs, recorded; computer software, recorded; interfaces for computers; electronic publications, downloadable; computer programs, downloadable; cordless telephones; computer game software, recorded; radio pagers; walkie-talkies; encoded identification bracelets, magnetic; downloadable music files; downloadable image files; USB flash drives; biochips; electronic key fobs being remote control apparatus; teaching robots; security surveillance robots; personal digital assistants [PDAs]; computer software platforms, recorded or downloadable; computer screen saver software, recorded or downloadable; downloadable cryptographic keys for receiving and spending crypto assets; downloadable e-wallets; smart home hubs; home automation hubs; data sets, recorded or downloadable; downloadable computer software for managing crypto asset transactions using blockchain technology; computer network routers; downloadable digital files authenticated by non-fungible tokens [NFTs]