Binaural headset, noise-cancelling microphone, suitable for use with Tablet/Mobilephone & PC Softphone, UC optimized, Microsoft Teams and Skype for Business Certified, USB & 3.5mm jack connection, 2900mm cable length, all-day wearing comfort, bendable and pivoting boom arm. Premium, wired, double-sided headset with connectivity to PC/softphone or mobile devices using USB or 3.5 mm jack. Designed for modern contact-centre-agents requiring outstanding sound performance, durability and added mobility. Unleash your true potential in the workplace with an audio solution crafted for outstandingly clear communication. The SC665 headset is part of the EPOS Sennheiser reliable wired range of headsets that keep you reliably on top of your working situation. Outstanding sound for perfect speech clarity with an ultra noise-cancelling microphone for perfect speech in noisy environments and Active Noise Cancellation for user comfort. Enjoy high-quality design and craftsmanship with the brushed aluminium and stainless-steel components, Vectran reinforced cables and strong, unibody headband. Handle calls seamlessly and conveniently with proximity sensor technology, and in-line call control for easy call management. Included in the box: Headset, leatherette ear pad/s, magnetic holder, cable/clothing clip mounted, carry pouch, quick guide, safety guide