Electric plugs; plug connectors; electric sockets; electric transformers; electronic agendas; receivers for telephone, audio and video; loudspeakers; adapter plugs; charging appliances for rechargeable equipment; electric wires and cables; battery chargers; computer peripherals; computer hardware, namely, couplers; computer network adapters; central processing units for processing information, data, sound or images; cases for pocket calculators; communications headsets for use with communicat...