Sports Headphone Black Sports Headphone Black Sound Story-Sony headphones deliver dependable, quality audio reproduction time after time. Equipped with 13.5 mm high-sensitivity driver units, our MDR-AS200 Sports headphones are no different while also affording a secure, comfortable fit that lets you get close and personal with your workout. Accessories-Also supplied, a convenient cord clip, helps to further enhance your workout by keeping the headphone cable secure and out of your way.