Poly/Plantronics Background Noise Suppressor #10757-00
The Plantronics Background Noise Suppressor helps reduce wind noise and background chatter on voice tube units. Attaches to the end tip of any Plantronics headset that has a voice tube.
Clear Replacement Voice Tube for H31CD, EncorePro, Tristar and SupraPlus that has a voice tube.
For more information about this any other Plantronics products go to www.plantronics.com