Handheld personal computers; personal digital assistants; personal computers; computer hardware components and peripherals thereof; software for computers; printers for computers; computer software for a personal computer for use in achieving data exchange between a personal computer and a wrist watch or a digital camera and other electronic apparatus and instruments; electronic calculators; scientific electronic calculators; electronic personal organizers; digital cameras; printers for digital cameras; liquid crystal display television sets; navigation apparatus and instruments, car navigation apparatus and instruments; cellular telephones; electronic label printers; radio pagers; radios; compact disk players; apparatus for recording, transmitting or reproducing sound or images; recorded music discs, recorded video discs; films of movies; batteries; AC adaptors; disk title printers; projectors; visual presenters; memory units; computer software for transmitting digital images taken by digital cameras; parts and fittings thereof; apparatus for scanning, processing, transmitting and projecting images and pictures; electronic dictionaries; electronic translators