Audio amplifiers; Audio headphones; Digital audio players; Ear phones; Earphones and headphones; Loudspeaker cabinets; Loudspeakers, headphones, microphones and CD players; Portable wrist-mounted digital electronic device for audio recording and audio playback; Protective ear covering shields; Protective eyewear; Sound bars; Sports helmets; Wireless indoor and outdoor speakers; Wireless speakers; Wireless wall-mounted speakers; Digital audio tape recorders; Batteries; Accumulators and batteri...