Plantronics HW251N-POLY is Polycom IP phone compatible Noise Canceling Headset (see compatible Polycom models below). HW251N-POLY features all-day comfort and reliability to for office professionals. Enhanced receiver-side audio quality, intelligent flexible boom and stylish design provide greater headset flexibility. SupraPlus offers this monaural versions with a noise canceling microphone.
Certified for Polycom Soundpoint IP phone models: 300, 301, 335, 430, 450, 500, 501, 550, 560, 600, 601, 650, 670, CX300, CX500, CX600, CX700, VVX 101, VVX 201 VVX 300, VVX 310, VVX 400, VVX 410, VVX 500, VVX 600, VVX 1500, VVX 150, 250, 350, 450
Includes a Polycom certified RJ-9 bottom cable - connects directly to the "headset" jack of your Polycom phone. No additional cable needed.
Wideband improves speech clarity
Noise Canceling microphone
Enhanced audio for greater listening accuracy
Durable, designed for the most demanding environments
Comfortable, lightweight design: Featuring an adjustable headband, foam ear cushions and comfort T-Pad design create a stable, comfortable fit.
Bendable, intelligent, click-stop boom: Stays in position for clearer voice transmission.
Quick call feature: Headband twists out of the way for convenient quick call pick up.
For more details see Plantronics HW251N datasheet
Also see Plantronics SupraPlus Wideband Headsets FAQ
Optional Parts for the Plantronics HW251N:
Plantronics Foam Ear Cushions Supra Plus (2 pairs)
Plantronics Leatherette Ear Cushions SupraPlus
Plantronics SupraPlus Circumnaural Leather Ear Cushions