[ Apparatus for wireless transmission of acoustic information; ] Audio- and video-receivers; [ Audio-video receivers; Audio amplifiers; ] Audio cables; Audio headphones; [ Boom boxes; Cell phone cases; Cell phone covers; Cell phone straps; Charging appliances for rechargeable equipment; Computer keyboards; Connecting electrical cables; ] Data cables; [ Diving goggles; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Earphones and he...