Plantronics MX505 Windsmart Boom Headset (Tan) Flex Grip design creates an exceptionally stable and comfortable fit WindSmart - Voice tubes which combine wind noise reduction technology with interchangeable, pivoting voice tubes Inline pod features call answer/end and voice dialing (if supported by phone or service), volume control and mute Plantronics' newest popular earbud style Compatible with all phones that have a 2.5mm jack