Calculators; Monoculars; Audio-receivers and video-receivers; Audio-video baby monitors; Audio baby monitors; Battery chargers for mobile phones; Computers and computer peripherals; Downloadable photographs in the field of pets authenticated by non-fungible tokens (NFTs); Ear pads for headphones; Earphones for cellular telephones; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Eyewear...