The BlackBerry Premium Stereo Headphones deliver exceptionally clear sound quality. Make phone calls or make the most of your music and multimedia. The unique intuitive control button is designed to let you easily navigate playlists or answer, hang up or mute calls. If you are totally hands-free, use voice activation. For superior comfort, ear gels come in three sizes, while the tangle-free cord makes the BlackBerry Premium Stereo Headphones much easier to use while on the go.