Used - Like New: PLANTRONICS Blackwire 325.1 M Headset - Newegg.com
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
Plantronics .Audio 325 Computer Headset - Headsets Direct
Replacement Ear Pads cover Compatible with Plantronics Blackwire 315 325 C315 M C325 M BW315 BW325 Poly USB / PC Headset|Earphone Accessories| - AliExpress
Plantronics Audio 325 Wired Noise-Canceling PC Headset for Skype Chat New In Box 17229126145 | eBay