Earphones; headphones; wireless headsets for smart phones; wired headsets for smart phones; headsets for use with computers; communications headsets for use with communication radios, intercom systems, or other communications network transceivers; [ emergency position-indicating radio beacons; aeronautical radio application machines and apparatus, namely, radio beacon machines; marine radio application machines and apparatus, namely, radio sets; ] digital voice recorders; portable audio players; [ audio-frequency transformers; ] walkie-talkies; wearable walkie-talkies using wireless communication networks; computer software that enable walkie-talkie users to communicate via wireless communication networks; computer programs for connecting remotely to computers or computer networks; [ hydrophones; computer-controlled apparatus for testing and measuring radio frequency signals, audio signals not for medical purposes; sunglasses; sunglasses for sports; goggles for sports; swimming goggles; spectacles, namely, eyeglasses and goggles; protective helmets for sports; ] telecommunications cables; electric wires and cables [ ; phonograph records featuring music; downloadable music files; downloadable image file containing artwork, text, audio, video, games and Internet Web links relating to sporting and cultural activities; pre-recorded video discs and video tapes featuring sporting and cultural activities ]