[ Adapter plugs; Audio- and video-receivers; Cameras; Cases especially made for photographic apparatus and instruments; Data processing apparatus; Earphones and headphones; ] Electric navigational instruments [ ; Electric power converters; Electric wire and cable; Electrical plugs and sockets; Loudspeakers; Microphones; Microscopes; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Multimedia projectors; Smart watches; Transponders; US...