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. 400 kJ/m3 high power neodymium magnets produce high-resolution treble and midrange with powerful bass Hybrid silicone rubber earbuds (S, M, L) supplied for secure fitting and long-term wearing comfort Y-type cord with cord slider to prevent cord tangling Cord adjuster supplied Customize smartphone controls for Android devices with Sony’s easy-to-use Smart Key app Blue