Sennheiser Presence UC Grey Bluetooth Mobile Headset
Amazon.com: Sennheiser Presence UC (504576) - Dual Connectivity, Single-Sided Bluetooth Headset for Mobile Device & Softphone/PC Connection, with Carrying Case and USB Dongle, Major UC Platform Compatible (Black) : Cell Phones &
EPOS I SENNHEISER ADAPT Presence Grey UC - Earphone with mic - in-ear - over-the-ear mount - Bluetooth - wireless - dark gray - Certified for Skype for Business, Optimized for UC - Walmart.com