S12 The Plantronics S12 is a complete solution for those looking for
hands-free, headset convenience in a value package, and is ideal for use
in a small or home office. The package features the DuoSet™ headset,
with Plantronics’ unique Firefly™ in-use indicator. All Wired Headsets
require a Cable or Amplifier for connection to a Phone.
To find the right Headset and Cable for your phone please check on Plantronics Product Configurator