Headsets and headphones for use with aircraft communications equipment, aviation communication stations, cellular telephones, contact center stations, compact disc players, communications networks, computers and computer game equipment; computer software for use in connecting and interfacing communications equipment with a computer and/or computer network, cordless telephones, DVD players, cassette tape players, compact disc players, MP3 players, gaming machines, mobile telephones, personal digital assistants, soft telephones, speakerphones, stereo receivers, telephones, telephone terminals, televisions, two-way radios, video telephones, video game cartridges, video teleconferencing telephones, audio teleconferencing telephones, visual data telephone terminals, input-output voice scanners for analog or digital voice transmissions; headset components for connecting headsets, headphones, and microphones to cellular telephones, computers, speakerphones, telephones, telephone terminals, two-way radios and video teleconferencing equipment, namely, telephones; adapters, amplifiers and cables to permit connections between telephone equipment and accessories and with computer and audio/video communications applications; audio technology and sound enhancement components, namely, software embedded in headsets, computers, telephones or adapters to improve sound quality and clarity; parts and attachments for headsets, headphones and speakers, namely, connection cables, ear buds, ear cushions, ear hooks, ear loops, ear pieces, microphones, audio receivers; electronic on-line indicators, namely, light emitting diodes on headsets; protective electrical circuit boards; telephone handsets; telephones; telephone equipment, namely, telephone sets, telephone apparatus, that provides conferencing capabilities, namely, video conferencing and audio conferencing