The Plantronics MX505 Mobile Headset is a sleek, award-winning, corded, boom-style headset, featuring the innovative WindSmart voice tubes which combine patent pending wind noise reduction technology with interchangeable, pivoting voice tubes. This unique design allows you to customize the voice tube wearing style and fit-- to deliver crisp, clear calls even in windy environments. The MX505 takes the popular Flex Grip® design one step further to deliver unsurpassed, extended wear comfort and improved receive performance.