Presence Grey UC is a premium Bluetooth headset for mobile professionals who demand a consistently excellent communication solution both for themselves and their listeners. Using a 3 digital Microphone system, speak focus and wind safe technologies provide clearer sound to listeners under noisy conditions and deliver best-in-class Sennheiser voice clarity to optimize Speech intelligibility in challenging environments. The slim, lightweight headset represents the ultimate in discretion for everyday business professionals and comes with a protective carry case. Presence Grey UC is optimized for unified Communications and provides multi-connectivity and seamlessly switching between softphone and mobile calls. It offers up to 10 hours’ call time between charges and a flexible choice of wearing styles for mobile professionals on the go All day.