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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
Plantronics BlackWire C3220 USB-A Headset - Black (209745-104)
Plantronics Blackwire C3220 USB Headset – JSM Computer Solutions
Plantronics Blackwire 3220 USB-A Binaural Headset
Plantronics Blackwire c3220 Noise Cancelling Headset - Black Variant. Military Grade