Polk Audio AM4110-A Nue Era Headphones - Black/Silver Nue Era's small, sculpted housing, made of a polymer resin chosen for its excellent audio damping properties, has been shaped especially with t and comfort in mind We include different sized and shaped ear tips; they're made of supple materials that enhance their passive noise isolation. Together, housing and ear tips create an easy, effortless fit Our ear tips also contribute to the rich, full sound. They're co-molded to the headphone ear tube; the ear tip opening holds its shape, which gives you better sound and a better seal for noise isolation Nue Era has an easy-to-use 3-button control and built-in microphone. The control is contoured to fit your finger for intuitive audio and phone control A single, lightweight cable connects headphones to supported iOS devices. A Y-junction lets you adjust the cable to your needs and reduces annoying micro-phonics Connectivity Technology : Wired