Computer peripheral devices; acoustic, optical couplers; Document printers for use with computers; Scanners; Notebook computers; Laptop computers; Toner cartridges, unfilled, for printers and photocopiers; Tablet computers; computer hardware; Smartglasses; Smartwatches; protective films adapted for computer screens; Smartphones; Wearable activity trackers; Cabinets for loudspeakers; Loudspeakers; Microphones; Battery chargers; Smartphone mounts; Computer cursor control devices, nam...