Adapter cables for headphones; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Boxes specially adapted for housing audio equipment; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Ear pads for headphones; Earphones; Earphones for cellular telephones; Game headphones; Hands-free headsets for cell phones; Personal stereos; Public address (PA) and sound sys...