Cabinets for loudspeakers; Loudspeakers; Megaphones; Wearable computers; Batteries, electric; Battery chargers; Accumulators, electric; Camcorders; Video recorders; Mouse (computer peripherals); Portable media players; Wires, electric; Microphones; Covers for smartphones; Cases for smartphones; Headphones; Cables, electric; Solar batteries; Protective film adapted for smartphones; USB flash drives