Antennas; Computer peripheral devices; Electric door bells; Electric navigational instruments; Electrical and electronic burglar alarms; Electronic pens; Electronic pocket translators; Headphones; Integrated circuits; Notebook computers; Radios; Radiotelephony sets; Satellite navigational system, namely, a global positioning system (GPS); Smartphones; Teaching apparatus in the nature of a guard that is attached to the body of a woodwind instrument for music instruction; Telecommunication exch...