The Adidas Response are a pair of headphones that offer exceptional, all-round sporting performance. Supreme Sound Delivering a Monster audio performance, the earbuds offer a superior sound quality with a thumping lows and crystal-clear highs. Comfortable Fit Shaped for maximum fit and comfort, these Adidas headphones will be a comfortable and secure fit whilst you exercise. The patented SportClips will hold the buds securely in place for added peace of mind. And the design also offers no intrusion into the ear canal so the ear-pieces will snugly fit in place without causing any discomfort. High Noise Isolation Perfect for use outdoors or indoors, the headphones have a Noise Isolation Factor of 50. This means that they do a great job of safely blocking out external noises, which makes it easier for you to enjoy your music on the move. Exercise-Friendly Build They are even sweat proof so no matter how intense the workout is, the headphones will not be phased by any sporting activity. Hands-Free Calling Complete with an in-line remote, you'll be able to take calls on-the-go and talk hands-free too