Poly EncorePro 515 Microsoft Teams Certified MonoaPoly EncorePro 515 Microsoft Teams Certified Monoaural with USB A Headset Mono USB Type A Wired Over the head, On ear Monaural Supra aural 6. 8 ft (2. 09 m) Cable Noise Cancelling, Omni directional Microphone Noise Canceling Black VPN: 783R1AA SKU: AC216257 UPC: Loading These supra aural EncorePro give you the comfort of portability Listen to your tape recordings or use them when listening to telephone calls on Skype with these mono sound Headset