PRESENCETM is a premium Bluetooth® headset for professionals on the road who demand a consistently excellent communication solution both for themselves and their listeners.Using a 3 digital microphone system, Speak-FocusTM and WindSafeTM technologies provide clearer sound to listeners under noisy conditions and deliver best-in-class Sennheiser HD voice clarity to optimize speech intelligibility in challenging environments. The slim, lightweight headset features high-quality audio for podcasts and ActiveGard® protects from acoustic shock. It offers up to 10 hours" call time between charges and increased range.