Telephone sets; wireless telephone sets; portable communications apparatus namely handsets, walkie-talkies and satellite telephones; MPEG audio layer-3 (MP3) players; television remote controllers; chips for improvement of television image quality; universal serial bus (USB) drives; digital media broadcasting (DMB) players; headsets for mobile phones; portable chargers for electric batteries; digital versatile disc (DVD) players; portable hard disk drives; apparatus for recording, transmission or reproduction of sound for use in telecommunications; apparatus for recording, transmission or reproduction of sound; electric audio apparatus and instruments; stereos; digital versatile disc (DVD) players for home theaters; speakers for home theaters; integrated circuits; audio receivers; electronics toll collection systems comprised of on board units, namely hardened units composed of microprocessors and integrated transmitters and receivers installed on board vehicles; transponders, namely, electronic terminals equipped in vehicles for electronic commercial transactions; thermal printers; digital colour printers; laser printers; ink jet printers; colour printers; printers for use with computers; solar batteries; digital voice recorders; videocassette recorders; settop boxes; electronic downloadable publications; microphones for video conference; speakers for video conference