The Poly Blackwire 3220 USB-A headsets include corded UC headsets that are durable, comfortable, easy to deploy, and come in a variety of connectivity and wearing options. Add insights from Plantronics Manager Pro, an additional Software-as-a-Service offering, and you’ve got a future-proof solution. Poly Blackwire 3220 USB-A headsets with Plantronics signature audio provides top-notch features at a price you can afford.