The Jabra SPORT-CORDED is made to give you the comfort you need to listen to music or answer phone calls while exercising. The Jabra SPORT-CORDED is ultra-light and easy to wear. With a choice of Ultimate Comfort Eargels and a flexible behind-the-ear fit, it stays firmly and comfortably in place. It's also tough - with US military grade rain, dust and shock protection it is the fit for any challenge, indoors or outdoors. For more freedom while you exercise, the Jabra SPORT-CORDED comes with an extension cable. A control box right on the cord allows you to control your music and calls with ease. With the Jabra SPORT-CORDED you get exceptional music and call sound quality and a wind-shielded microphone!