POLY Blackwire C5220 Micro-casque MS USB-A+Jack - 2 écout. - Prompt SIA
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Poly Blackwire 5220 USB-A Headset - Wired, Dual-Ear, Flexible Noise-Canceling Boom Mic - All-Day Ergonomic Design - Connect to PC/Mac, Mobile via USB-A or 3.5 mm - Works w/Teams, Zoom, Plantronics :
Plantronics Poly Blackwire C5220 Series C5200 USB Wired Headset Soft Case Mic | eBay
Poly Blackwire 5220 USB-A Headset - Wired, Dual-Ear, Flexible Noise-Canceling Boom Mic - All-Day Ergonomic Design - Connect to PC/Mac, Mobile via USB-A or 3.5 mm - Works w/Teams, Zoom, Plantronics :