Poly Voyager 5200 UC Bluetooth Wireless One Monaural Earphone for PC BT700 Dedicated Charging Case Noise Canceling Compatible with PC and 2 Year

4 Microphone Noise Cancellation: Voyager 5200 is equipped with 4 microphones and unique DSP to cancel background noise such as train and car traffic sounds and crowds, providing clear calls. Exclusive WindSmart Technology: 6 layers of exclusive WindSmart technology detects wind direction and reduces wind noise so you can be heard clearly even outdoors. Designed for comfort: The shape has been tested to accommodate a variety of ear shapes, providing a comfortable and stable fit. Even if you wear it all day, your last call will feel like your first call of the day. Compatible with PC/Smartphone: A dedicated Bluetooth dongle BT700 is included for PC connection. Manufacturer warranty 2 years