C325.1-M Blackwire Stereo USB Headset w/3.5mm – Microsoft – Discontinued | Business Telecom Products
Ameclat.com - The new Plantronics Blackwire 315/325 corded USB headsets are easy to use, simple to deploy, and offer the choice of USB or 3.5mm connectivity. They deliver top notch UC features
Audio 325 | Plantronics .Audio 325 Full Range Stereo, VOIP | Headset Experts
Plantronics Audio 325 Wired Noise-Canceling PC Headset for Skype Chat New In Box 17229126145 | eBay
Replacement Ear Pads cover Compatible with Plantronics Blackwire 315 325 C315 M C325 M BW315 BW325 Poly USB / PC Headset|Earphone Accessories| - AliExpress