Earphones; loud speakers; microphones; Communication appliances, namely, headphones and headsets for telephones, headphones and headsets for audio devices, headphones and headsets for theatrical equipment and electronic gaming machines, headsets for cellular or mobile phones, headsets for use with computers, wireless cellular phone headsets, wireless telephones, telephone sets, Internet phones, devices for hands-free use of mobile phones, hands free kits for phones, cordless telephone apparat...