The Polk Audio UltraFit 3000 is an in-ear canal headphone offering great sonic performance and the highest level of noise suppression in the Polk exercise headphone series. Patented Polk 'SecureFit' support fins and a generous assortment of eartip materials & sizes means you'll enjoy a snug yet comfortable in-ear canal fit. A 3-button remote control and in-line microphone enable you to use your iPod or iPhone anytime, anywhere. The flat-wound included short (14') cable means tangle-free, non-microphonic connections, a huge plus for active listeners. Choose your color!