Rechargeable batteries; Lithium ion batteries; Electric batteries; Portable power chargers; Electrical storage batteries; Lithium phosphate batteries; Lithium iron phosphate batteries; Batteries; Batteries and battery chargers; Wireless earbuds; Electrical cells and batteries; Ultracapacitors for energy storage; Battery packs; Earphones and headphones; 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
Electrical and Scientific Apparatus