Tablet computers; Phototelegraphy apparatus; Cabinets for loudspeakers; Loudspeakers; Headphones; Earphones; cell phones; power banks; Smart watches; Wireless headsets for smartphones; Circuit boards; Wireless routers; Audio frequency amplifiers; USB cables; Cables for the transmission of sounds and images; Charging appliances for rechargeable equipment; Facial recognition software; scales with body mass analyzers; Set-top boxes; Cameras [photography]; Rechargeable batteries.;