Allowing you to connect your Plantronics headset to a range of different telephones, the Plantronics Cable is ideal for facilitating hands-free telephone use. Providing you with the very best audio clarity, you can be sure that your communication is kept at its very finest level. With a simple plug-and-play design, absolutely anyone can link their headset to their telephone. Amplifies all Plantronics H headsets to Plantronics Polaris level, for added quality.