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
Poly - Blackwire 3220 - Wired Dual-Ear (Stereo) Headset (Plantronics) with Boom Mic - USB-A to connect to your PC and/or Mac Headsets & Accessories - Newegg.com
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Plantronics BlackWire C3220 USB-A Headset - Black (209745-104)
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
Plantronics Blackwire C3220 Headset for Sale in San Diego, CA - OfferUp
Plantronics BlackWire C3220 USB-A Headset - Black (209745-104)