Plantronics Blackwire C3220 USB Headset - Headsets Direct
Amazon.com: Plantronics - Blackwire 3220 - Wired Dual-Ear (Stereo) Headset with Boom Mic - USB-A to connect to your PC and/or Mac : Electronics
Poly Blackwire 3325 - headset - 213938-101 - -
Poly (Plantronics) Blackwire C3210 C3215 C3220 C3225 USB Headset
Plantronics Poly Blackwire 5200 Series C5220T Wired USB-C w/ Soft Case 17229158559 | eBay
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Plantronics Blackwire 3220 DUO USB-C Headset with 3.5mm Connector | Certified for Skype for Business and Optimized for Microsoft Lync | Built for UC applications and softphones from Avaya, Cisco and others | 209749-101