In the car, at the airport, or on the job - Plantronics Voyager 520 delivers business quality audio performance. Noise-canceling microphone filters distracting background noise so you can be easily heard while the innovative windscreen minimizes wind noise. It's user friendly with convenient one-touch call controls and desktop charging cradle. If you use two Bluetooth phones, multipoint technology lets you easily switch between them with the same headset. Versatile design provides a secure fit for all day wearing comfort wherever your meetings take you.