Lot of 2 Plantronics EncorePro HW520 Binaural Headset | eBay
Plantronics SupraPlus HW261N FREE Upgrade to EncorePro HW520
Plantronics HW520-HIC EncorePro Binaural Over the Head Noise Cancelling Headset with Mic and Plantronics Direct Connect Cable / Office / Headsets - YBSales.com