Wireless headset equipped with four-microphone noise canceling and adaptive wind smart technology. - Model Name: Voyager 5200 - Technology: Four-microphone noise canceling - Features: Adaptive wind smart technology - Features: Auto mute reminder - Accessories: Charging case - Series: Voyager 5200 Series Thank you for viewing. It has been stored, so it has some dust, but since it has hardly been used, the inside is clean. Used about 1-2 times. The purchase was about 3 years ago, so please refrain from purchasing if you are concerned.