Headphones; Adapter cables for headphones; Downloadable electronic game software for use on handheld computers; Downloadable electronic game software for use on mobile and cellular phones; Dust proof plugs for earphone jacks; Earpads for headphones; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Earphone holders for keeping earphones in the ears; Game headphones; Headsets for mobile telephones; Headsets for telephones; Headsets fo...