PLNS11, Plantronics Telephone Headset System w/ Amp PLN S11

Plantronics Telephone & Computer Headsets: Plantronics S11 Telephone Headset System W/Amplifier, Noise Canceling, SR, PLNS11, Adjustable over-the-head headset provides all-day comfort while noise-canceling microphone reduces noise for crystal clear calls. Universal amplifier is compatible with virtually any phone. UPC 17229116931