Plantronics MX505 Windsmart Boom Headset - Black/Gray (Discontinued by Manufacturer) 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 Plug including Audiovox, Blackberry, Kyocera, LG, Motorola, Samsung, Sanyo, Tr?o