Enjoy clear conversations anywhere with Plantronics unique WindSmart technology. Four-mic noise cancelling, six layers of our unique WindSmart technology ensure your voice comes through clearly,  HD Voice clarity on wideband devices and networks, Smart sensor technology. Up to 7 hours of talk time and 9 days standby. Up to 98 ft. Streams music, driving directions, podcasts and more. Bluetooth and RJ9 connector.