Sennheiser D10 USB (Universal Serial Bus) Wireless Headset A stylish, single-sided DECT headset designed for intensive everyday use in contact centres, the Sennheiser D10 sports excellent wideband audio clarity & USB (Universal Serial Bus) connectivity for compatibility with Vo IP telephony systems. A lightweight & adjustable headset, it is comfortable & easy to use, while Sennheiser's Active Gard technology helps to protect the user's hearing. Acoustic Shock Protection Designed with safety at work in mind, the Sennheiser D10 features acoustic shock protection to help normalise the decibels of phone calls & protect the wearer from sudden increases in volume. At the same time, users will be able to experience excellent speech clarity thanks to wideband audio & a noise-cancelling microphone that eliminates background noise during calls. Two Wearing Styles Made from the highest quality materials with an ultra-light profile, the Sennheiser D10 is designed to be comfortable to wear throughout the working day. Users can also choose a wearing style that suits them best; either as a headband or as an ear hook. Long Battery Life The Sennheiser D10 is equipped with a battery made to last for an entire working day on a full charge, & when seated in the charging dock, the battery will reach 50% power in only 20 minutes. Users will also be able to enjoy complete wireless freedom up to a range of 55 feet in typical office environments. Why Should You Buy this Cordless Headset? With USB (Universal Serial Bus) connectivity & support for conference calling, the Sennheiser D10 presents the perfect solution for Vo IP telephony environments.