DIGITAL VIDEO DISK PLAYERS; MPEG AUDIO LAYER-3 PLAYERS; APPARATUS FOR REPRODUCTION RECORDING SOUND, NAMELY CD PLAYERS; SOUND REPRODUCTION APPARATUS, NAMELY RECORD PLAYERS; TELEPHONE INSTRUMENT, NAMELY INTERCOMS; TELEPHONE AUTOMATIC RESPONSE APPARATUS, NAMELY TELEPHONE ANSWERING MACHINES; VEHICLE TELECOMMUNICATION APPARATUS, NAMELY GLOBAL POSITIONING SYSTEMS; HEADSETS, NAMELY HEADSETS FOR USE WITH DIGITAL VIDEO DISK PLAYERS, HEADSETS FOR USE WITH MPEG AUDIO LAYER-3 PLAYERS; POCKET TELECOMMUNIC...