MB 660 and MB 660 ML BASIC INFO: WEIGHT: 8oz COMES WITH: *Headset. *USB Power Cord. *USB Dongle. 2.5mm to 3.5mm Connector Cord. In-Flight Adapter. Slick looking case. Catalog #: 2371 for UC veresion (DISCONTINUED!) , 2373 for UC ML version (this is the Skype for Business version) THE MB 660 ML is optimized for Lync. You will get call control with Lync / Skype for Business with this headset!
