Microphones; Walkie-talkies; Acoustic alarms; Apparatus for transmitting and reproducing sound or images; Apparatus for wireless transmission of acoustic information; Audio cables; Audio mixers; Audio recorders; Battery chargers; Conference phones; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; ...