Acoustic couplers; Batteries, electric; Burglar alarms; Cabinets for loudspeakers; Computer peripheral devices; Earphones; Electric accumulators; Electronic navigational and positioning apparatus and instruments; Headphones; Horns for loudspeakers; Loudspeakers; Luminous beacons; Microphones; Navigation apparatus for boats; Pince-nez; Portable media players; Radiotelephony sets; Sound transmitting apparatus; Stands for photographic apparatus