Ideal For: Mobile professional who relies on mobile phone for on-the-go communication.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears Cutting Edge Noise Cancellation: Voyager 5200 features four microphones and a proprietary DSP that work together to cancel disruptive background noise like traffic or crowds Exclusive WindSmart Technology: Six layers of our Unique WindSmart technology detect wind direction and respond accordingly so your voice comes through clearly, especially outdoors Comfort-Tested Design: Rigorously tested for stability and comfort on a wide range of ear shapes, so it feels as comfortable on your last call of the day as it did on the first Talk Time & Roaming Range: Up to 7 hours of talk time. Roam up to 98 feet (30 meters). Sweatproof nano-coating by P2i for sweat and moisture protection