Sennheiser Mobile Series is premium single-sided or double-sided wired headsets with flexible connectivity to PC, smartphone and tablet using USB or 3.5 mm jack. Designed for modern contact-center-agents and office workers seeking added flexibility and mobility. Offers an incredibly accurate clear and natural listening experience with Sennheiser Voice Clarity and ultra-noise cancelling microphone. Premium quality and durability to withstand heavy use. Fold-flat ear-cup and pouch for convenient portability. Easy call management through in-line call controls. Features large leatherette ear pad for comfortable fit and Sennheiser ActiveGard® protection against acoustic shock. UC optimized and Skype for Business Certified for seamless interoperability.