Audio Technica ATHOX7AMP On-Ear Headphones Built-in high-output headphone amplifier provides more clean power and volume for greater detail, clarity and faster dynamic response 40 mm drivers for clear & natural high fidelity sound Includes two detachable cords - one regular and one with in-line Mic, volume & controller for smartphones and music players like Android phones, iPhone, iPad and iPod Flat, tangle-free cords Padded headband conforms to the shape of your head to provide a stable fit for a better listening experience