Plantronics Encore Pro 320 Duo USB PC Headset | Certified for Skype for Business and Optimized for Microsoft Lync | Built for UC applications and softphones from Avaya, Cisco and others | 214570-01
Amazon.com: Global Teck Bundle USB Headphones Plantronics EncorePro 320, USB-A, USB Headset with Microphone for Laptop, PC, MAC, Noise Cancelling, Volume and Mute Buttons
Amazon.com: Global Teck Bundle USB Headphones Plantronics EncorePro 320, USB-A, USB Headset with Microphone for Laptop, PC, MAC, Noise Cancelling, Volume and Mute Buttons
Poly EncorePro 320 - EncorePro 300 series | www.shi.com