Computers; computer peripherals; computer hardware; computer software; network software; computer operating systems; electronic and electromechanical apparatus, all for use with computers; computer networks; modems; telecommunications apparatus, instruments and networks; integrated circuits; semi-conductors; printed circuit boards; sound and/or video recordings and presentations; audio headsets and head phones; wired and wireless assistive listening devices and systems; microphones, transmitters, receivers, speakers, hearing aids and headsets; parts, fittings and accessories for all the aforesaid goods; data and instructional material, all recorded magnetically, electronically, or optically; documents, data, multimedia and other information downloadable from a computer network or the Internet or extranets.;