Sennheiser Presence UC 504576 - Dual Connectivity Single-Sided Bluetooth Headset for Mobile Device & Softphone/PC Connection

Mobile Unified Communications: For professionals who require a consistently excellent communication solution for all Major UC platforms (Cisco, Avaya, IBM, etc.)
Improved Flexibility: Connects to two mobile phones, or a cell phone & PC, to allow for seamless transitions between connected bluetooth devices
Optimized Speech Clarity: Unique SpeakFocus technology with three digital microphones enhances voice clarity in all sound environments and provides the user with consistently clear sound
Advanced Own-Voice Detection Technology: When you are speaking, an own-voice-detector detects your voice and optimizes speech intelligibility as well as reduces background noise for your listener
Equipped: Comes included with a Car Charger, USB Charging Cable, USB Dongle, Ear Hook, and Carrying Case, all designed to ensure you are ready, no matter where you are
ActiveGard Technology: Featuring patented hearing protection to defend against acoustic shock caused by sudden sound bursts
Peace of Mind: With a 2-year warranty on all headsets (including batteries), you never have to worry about the quality of your office headset
Extended Talk-time: Presence delivers up to 10 hours’ call time between charges.
Choice of Wearing Styles: Three-in-one wearing solution for maximum comfort and convenience
Wind Noise Reduction – WindSafe technology reduces wind noise in outdoor situations