Camcorders; Earphones; Loudspeakers; Microphones; Audio interfaces; Blank USB flash drives; Cabinets for loudspeakers; Cases for smartphones; Cell phone straps; Covers for smartphones; Ear pads for headphones; Electric navigational instruments; Electronic black boxes for recording data; Hands-free kits for phones; Megaphones; Mobile telephones; Protective films adapted for computer screens; Protective films adapted for smartphones; Selfie sticks; Telerupters being electromechanical relays