Earphones; Batteries and battery chargers; Battery chargers for laptop computers; Battery chargers for mobile phones; Battery chargers for tablet computers; Calculating machines, data-processing equipment and computers; Computer hardware and peripherals; Computer network adapters; Computers and computer peripherals; Electric cables, wires, conductors and connection fittings therefor; Electric cords for use with recreational vehicles and computers; Power adapters; Power adapters for use with r...