Poly Plantronics Voyager  5200/R Bluetooth Headset Business Earphones APME 4 Mic Active Digital Processing DSP Smart Sensor Multipoint Software Enabled Windsmart Tecnhology Voice Command Mobile Earphone Headset Earphones/ 203500-108

• Ideal For: Mobile professional who relies on mobile phone for on-the-go communication
• 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. USB chargeable via included USB charging cable. Roam up to 98 feet (30 meters)