Computer keyboards; Mouse (computer peripherals); Mouse pads; Holders adapted for mobile phones; Computer networking apparatus; Local area networking apparatus for the transmission of data; Earphones (other than hearing aids for the deaf); Galvanometers; Dynamometers; Automatic time switches; Electric converters; Electrical plugs; Electric sockets; Plug sockets (electric); Plug-in blocks (electric); Electrical adapters; Rechargeable batteries