Super-small 9mm drivers and neodymium magnets make the MDR-KX70LW headphones an outstanding choice for listening on the go. Fitting snugly, with soft, silicone earbuds set comfortably inside the ear, the MDR-KX70LW allows you to enjoy music while you exercise, skate or even dance. Earbuds come in three different sizes to fit a full range of ears. The MDR-KX70LW system comes with a retractable cord for easy use and is ideal for players worn in belt cases - convenient and comfortable for your listening pleasure.