Earphones; Adapter cables for headphones; Audio-receivers and video-receivers; Audio dubbing apparatus; Audio equalizer apparatus; Audio headphones; Audio receivers; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Dust proof plugs for earphone jacks; Ear pads for headphones; Earphone accessories, namely, earphone cases; Earphone accessories, namely, earphone cushions; Earphone accessories, namely, earphone extension co...