Skullcandy S2FFCM-003 50/50 Ear Buds with Volume Control and Mic 3 Black/Chrome Directs sound into the ear for deep bass and extended frequency response 11mm drivers For deep, rich bass sound Inline volume control For use with Apple iPhone 3GS, 2nd generation iPod Touch, iPod Classic, 4th and 5th generation iPod Nano with video and 3rd generation iPod shuffle 20Hz - 20kHz frequency response For faithful sound reproduction. Limited availability Black/Chrome design