Jabra Elite 3 in Ear Wireless Bluetooth Earbuds – Noise Isolating True Wireless Buds with 4 Built-in Microphones for Clear Calls, Rich Bass, Customizable Sound, and Mono Mode - Navy
Plantronics/Jabra Hearing Aid Compatible (HAC) Headsets for office telephone or PC softphone - HeadsetPlus.com Plantronics, Jabra Headset Blog