Plantronics Encore H91N Headset - mono - microphone integrated with noise cancelation
(Manufacturer: PLANTRONICS - Part No: H91N - SKU: 24337)

Top-of-the-line model that offers all-day comfort and superior sound quality. Lightweight over-the-head single earpiece design for comfortable extended-wear use. Quick Disconnect feature lets you walk away from the phone while still wearing the headset, while the noise-canceling microphone improves ...Read More (specification)