The new Sennheiser Century SC 660 USB CTRL ML Duo PC Headset is a best-in-class, binaural USB stereo corded headset for softphone use, Certified for Microsoft Teams. Designed for professionals who demand nothing but the best in comfort, design, durability and sound quality. Sennheiser is world famous for its legendary sound quality and  once again it does not disappoint with the SC 660 range. Built-in Sennheiser HD voice clarity for wideband sound and its ultra-noise cancelling microphone deliver incredibly lifelike conversations and speech intelligibility, even in the noisiest offices and call centre enviroments. Built to last out of stainless steel and brushed aluminium, this lightweight yet robust headset has been manufactured out of the highest quality materials. Its neodynium speakers, metal reinforced headband, large leatherette earpads and kevlar-reinforced cables ensure maximum durability and an optimimum listening experience. Heavy users can feel safe in the knowledge that  the in-built ActiveGard® technology provides top level protection against sudden sound surges and acoustic shock. Features: Certified for Microsoft Teams Sennheiser HD voice clarity for wideband sound USB connection for softphone use Ultra noise-cancelling microphone High quality neodymium speakers ActiveGard® acoustic protection Stainless steel hinge on speaker joints for optimum strength Brushed aluminium parts for strong and lightweight design Unibody headband construction for maximum strength at stress points Kevlar® reinforced cable Large leatherette earpads Ultra sonic welded microphone housing for durability Extension headband with number indication for perfect adjustment