Amazon.com: Plantronics Blackwire C3215 Headset - Mono - Black - USB Type A, Mini-Phone - Wired - 20 Hz - 20 kHz - Over-The-Head - Monaural - Supra-aural - Noise Cancelling Microphone (209746-22) : Electronics
Poly - Blackwire 3200 - Monaural on the ear / 3.5mm audio jack / USB-A | Teams devices
Plantronics Blackwire C3215 USB-C USB Professional Noise-Canceling Headset. | eBay
De Rechange Inline Assemblage Usb-C Câble pour Plantronics Blackwire 3200 & 17229162365 | eBay
Poly - Blackwire 3210 - Wired, Single Ear (Monaural) Headset (Plantronics) with Boom Mic - USB-A to connect to your PC and/or Mac Headsets & Accessories - Newegg.com