9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking and supervising, life-saving and teaching apparatus and instruments, namely, electronic handheld units, mobile phones, telephones, smartphones, personal digital assistants (PDAs) for the wireless transmission of data and/or voice signals; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electronic handheld units, mobile phones, telephones, smartphones, personal digital assistants (PDAs) for the wireless transmission of data and/or voice signals; apparatus for recording, transmission or reproduction of data, sound or images, namely, electronic handheld units, mobile phones, telephones, smartphones, personal digital assistants (PDAs) for the wireless transmission of data and/or voice signals; magnetic data carriers, blank recording discs; calculating machines, and data processing equipment and computers; computer hardware; computer software, namely, computer communication software for the synchronization, transmission and/or reception of messages; electronic handheld units for the wireless transmission of data and/or voice signals; accessories for electronic handheld units for the wireless transmission of data and/or voice signals, namely, batteries, chargers, headsets, car kits comprised of cradles, microphones, loudspeakers, charging cables, belt clips, holsters and holders; computer communication software for the synchronization, transmission and sharing of data, calendar, content and messaging between one or more electronic handheld units and data stored on or associated with a computer