DW Pro2 headset has been specially designed to meet the needs of all-day users and experienced professionals working in noisy environments, where the productivity benefits of switching from wired to wireless can really be appreciated. Features Unique Premium Design Crafted for comfort High Comfort Wearing Style Perfect adjustment to your ear for a full day wearing comfort Intuitive User Interface Mute microphone and adjust volume up or down Boosted Productivity Ultra noise-canceling microphone filters out unwanted background noise Sennheiser HD Voice Clarity Wideband sound for a more natural experience Full Workday Talk Time 8 hours in wideband sound mode and 12 hours in narrowband sound mode Intelligent Fast Charging 50% in 20 minutes gives you 4 hours talk time Long Distance Wireless Range Up to 55 m in typical office building. Up to 180 m in line of sight Protected hearing ActiveGard technology protects against a acoustic shock and sudden sound surges Desk Phone & Softphone Switch from one communication channel to the other. One touch on the base station to select the channel you wish to call from Intuitive & Easy pairing For desk sharing and phone conferencing GAP compatible (Headset) Headset: Connect to base Base Station: Connect to desk phone and softphone Microsoft Communicator compatible