PLANTRONICS 3210 Blackwire Mono USB Headset Skype for Business
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
Plantronics Blackwire C3215 USB-C USB Professional Noise-Canceling Headset. | eBay
Plantronics Blackwire C3215 USB-C USB Professional Noise-Canceling Headset. | eBay
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 - Amazon.com