The Blackwire C5210 Usb-A Headset has the following features;

• Monaural (single ear) headband
•  Certified for Skype for Business and Microsoft Lync
•  Compatible with softphones from Avaya, Cisco, Skype and many others
•  Leatherette ear cushions
•  Foldable ear cushions with carrying case
•  One-touch call answer/end, volume +/- and mute
•  User friendly audio prompts and inline indicator lights alert the user to connection, mute and volume status Plantronics’