The Zoom/FaxModem 56K USB utilizes the capabilities of a computers Universal Serial Bus for the fastest and most convenient modem hookup yet! Using the included USB cable, just plug the Zoom/FaxModem 56K USB into your PC or Macintosh USB port; you dont even have to shut down the computer. The new modem will then be installed automatically and youll be ready for fast, reliable access to the Internet, and other dial-up modems.