In order to fully utilize some of the Lync features of Office 365, additional hardware may be needed. With the Lync web meeting you may want to add web cams or at least microphone in order to use the internet to pass your voice (and optionally video). This saves dialing in and the additional cost of phone conference centers.
Hardware that can be used with Office 365
Hardware
Hardware that can be added to enhance the sharing of data. This includes Microphones, cameras and other communication equipment.