Audio amplifiers; Computer keypads; Computer mouse; Converters, electric; Electric cables, wires, conductors and connection fittings therefor; Headphones; Loudspeakers, headphones, microphones and CD players; Matrix switchers for audio and video signals; Microphones; Photo electron spectroscopy analyzers, not for medical purposes; Signal splitters for electronic apparatus; Sound recording apparatus; Transmitting and receiving apparatus for radio and television broadcasting and for long-distan...