Century™ SC 660 ANC USB is a premium, wired headset with Active Noise Cancellation. Designed for quality-conscious contact center and office professionals requiring outstanding sound performance, convenient call handling, high-quality durable design and exceptional wearing comfort. Optimized for UC and Certified for Skype for Business. Experience Sennheiser With a comfortable fit that lasts all day and a solid sense of quality, Century™ is built to sound superb, look stunning and outlast the competition - in even the toughest call center or office environment. It's a headset that says you put your people and customers first. Outstanding sound for clear calls With enhanced music audio performance, Sennheiser Voice Clarity and ultra noise-cancelling microphone Enhanced noise reduction In open offices with ANC for improved comfort and productivity Convenient and seamless call handling With in-line call control unit and proximity sensor technology High-quality design crafted for perfection With brushed aluminium and stainless-steel components and unibody headband construction for maximum strength at stress points Sennheiser Voice Clarity If you are working in a noisy enovironment, you will benefit from the Voice Clarity technology in Sennheiser Century™ headsets. With an ultra noise-cancelling microphone and detailed sound, every word comes through crisp and clear. It's as if you're having a face-to-face conversation.