Amplifiers; Headphones; Microphones; Minicomputers; Bone conduction earphones; Cell phone cases; Chip card readers; Computer peripherals; 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; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air qua...