This is the Plantronics Background Noise Suppressor that reduce wind noise and background noise on all Plantronics voice tube headset models:
Compatible with Plantornics: H31, H31CD, H41, H51, H61, H81, H91, H101, H141, H171, H251, H261, H351, H361, HW251, HW261
old part# 10757-01 |