Enjoy high-resolution treble and midrange with powerful bass produced from Sony MDR-EX15AP's 400 kJ/m3 high power neodymium magnets. Comes with cord slider to prevent cord from tangling, as well as in-line microphone and remote for hands free calls and music. Enjoy clear, powerful sound with high-power neodymium magnets Avoid annoying tangles with the Y-type cord and slider. Get a comfortable fit with hybrid silicone earbuds (3 sizes). Cord adjuster supplied Customize smartphone controls for Android devices with Sony's easy-to-use Smart Key app