Poly Blackwire 3220 USB Features: – The Blackwire 3220 Poly corded UC binaural headset is durable, comfortable, simple to use and easy to deploy. – Poly (Plantronics) signature audio delivers clear, natural and rich audio. – USB-A or USB-C versions available – You can easily manage calls from your PC via USB connection. – With a headband over-the-head, and speakers on both ears, you can easily focus on your caller. – Add in additional insights from Poly+ Support Services. – Blackwire 3220 USB headset offers top notch UC features at a price you can afford. – Built for UC applications and softphones from Avaya®, Cisco®, Microsoft® and more*. – Certified for Skype for Business. – An affordable call center headset.