Earphones; ear phones having in-ear headphones; audio and video equipment, namely, digital audio players, video disk players, media players, portable media players, portable digital audio and / or video disk players; protective carrying cases for portable audio and / or video players and earplugs; personal digital assistants (PDAs); smart phones; headsets for mobile phones; audio speakers; audio electronic components, namely, surround sound systems; sound reproduction equipment; amplifiers; s...