Headphones; earphones; apparatus for recording, transmission or reproduction of sound or images; data processing equipment and computers; amplifiers; audio receivers; audio disc players; audio disc recorders; audio tape players; audio tape recorders; video disc players; video disc recorders; video tape players; video tape recorders; loudspeakers; high density disc (HDD) players; high density disc (HDD) recorders; integrated circuit (IC) memory players; integrated circuit (IC) memory recorders; solid state and flash memory players and recorders; CD players; CD recorders; DVD players; DVD recorders; television receivers; radio receivers; radio transmitters; accessories for audio apparatus and video apparatus, namely, straps and carrying cases; computers; accessories for computers, namely, carrying cases; computer software programs for operating mobile phones and portable data assistants; computer software programs for operating audio apparatus and video apparatus