Acoustic couplers; Apparatus for transmission of communication; Audio equaliser apparatus; Audio interfaces; Audio-receivers and video-receivers; Cable junctions for electric cables; Coaxial cables; Computer cables; Computer hardware and peripheral devices; Data synchronization cables; Digital sound processors; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Electric cables and wires; Electrical connectors; Electronic pens; Fiber o...