Earphones; Headphones; Headsets; Audio adapter cables; Audio adapter plugs; Audio amplifiers; Audio cables; Audio receivers; Audio transmitter units; Audio dubbing apparatus; Audio equaliser apparatus; Audio equalizer apparatus; Audio switching apparatus; Chargers for smartphones; Data cables; Data synchronization cables; Earphones for cellular telephones; Electric cables; Electric conductors; Electric cables, wires, conductors and connection fittings therefor; Lithium secondary batteries; Po...