Earphones; Intercoms; Audio headphones; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Headsets for use with computers; Loudspeakers, headphones, microphones and CD players; Music headphones; Personal headphones for sound transmitting apparatuses; Personal headphones for use with sound transmitting systems; Portable emergency intercoms; Protective cases for audio equipment in the nature of headphones; Telephone apparatus, namely, intercoms; Wireless cellular phone headsets; Wireless headsets for smartphones