Sennheiser MB 360 UC (508362) - Dual-Sided, Dual-Connectivity, Wireless, Bluetooth, Adaptive ANC Over-Ear Headset | For Mobile Phone & Softphone, Desktop Connection | Unified Communications Optimized,Black

• Noise canceling technology: filters out all unwanted background noise for crystal-clear conversations on calls • Add refined Sennheiser sound to your everyday routine and power your life with music • Concentrate in noisy environments with ANC • Stay comfortable with soft ear pads - even after hours of wearing • Reduces distracting noise with excellent damping from large ear cups • Increase productivity with UC optimization using the included USB dongle • Looks good in or out of the office • Longer listening with up to 25 hours of battery performance • Neatly stow able due to a robust, foldable headband design • Flexible connectivity with options of softphone/PC or mobile device (single-device connectivity)