Speedometers; Adapter plugs; Apparatus for wireless transmission of acoustic information; Automotive testing equipment, namely, handheld diagnostic scanners; Battery monitors; Battery testers; Brake fluid testers; Circuit testers; Computerized vehicle engine analyzers; 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, ...