data processing apparatus; computer keyboards; Computer mice; Protective films adapted for computer screens; Protective covers for smartphones; Protective films adapted for smartphones; Computer peripheral devices; Calculating machines and data processing equipment; Mounting brackets adapted for computers; electronic agendas; Smartphone screen magnifiers; Earphones; Cases adapted for holding smartwatches; Dustproof plugs for jacks of mobile phones; Keyboards for smartphones; Wrist-mounted smartphones; In-car telephone handset cradles; Smart watches