Earphones; Smartwatches; Audio-receivers and video-receivers; Audio dubbing apparatus; Audio headphones; Audio receivers; Audio speakers; Audio- and video-receivers; Augmented reality glasses; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers...