This is a Wired Headset Sony EX Monitor earphones - Black Enjoy high-resolution treble and midrange with powerful bass produced from Sony MDR-EX15AP's 400 kJ/m3 high power neodymium magnits. Comes with cord slider to prevent cord from tangling, as well as in-line microphone and remote for hands free calls and music. Features: - 400 kJ/m3 High power neodymium magnits produce high-resolution treble and midrange with powerful bass - Hybird silicone rubber earbuds Small, Medium, Large 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 What's in the box Sony MDR-EX15AP In-Ear Headphone with Mic