Headsets:

Headsets are available in a wide choice of formats for use in the office, in call centres, for multimedia PC applications or mobile phones. They can be purchased with or without noise cancelling microphones which blocks background noise, with audio sound in one ear or both (binaural), as well as in a variety of styles. Some headsets require an in line adaptor and fitment depending on your telephone system.

Doro Headsets
Plantronics