The Plantronics CS540 Headset is a lightweight wireless DECT headset with a compact and comfortable design. Go mobile and multi-task up to 350′ from your desk and you can control all your calls with the built-in answer, end and mute buttons that you can easily operate with your fingertips. No matter what your preference, the headset can be worn three different ways, so you can find the one to match your personal style. The wireless DECT headset has a modern look, and it delivers excellent audio quality and wireless mobility, all with the same reliability and ease of use that has made the CS range a bestseller for nearly a decade. With this headset, you can work more efficiently, and the hands-free design enables you to type and perform other tasks while you are talking on the phone.