Plantronics (R) H171N DuoPro (TM) Convertible Headset With Noise-Canceling Microphone
Unique design allows for use over the head or over the ear Quick Disconnect lets you keeps your headset on, but unplug it from your phone. Requires amplifier (sold separately) . Noise-canceling model features unidirectional microphone. Plantronics (R) H171N DuoPro (TM) Convertible Headset With Noise-Canceling Microphone is one of many Headsets & Microphones available through Office Depot. Made by Plantronics.