Driver Units: It high quality 9mm dome type driver units Tangle Free Cord: The included Y-type cord with cord-slider prevents tangles on the go Bundle Includes: 24 x Sony MDR-EX15LP Fashion Color EX Series In-Ear Earbud Headphones (White) Comfortable Fit: Hybrid silicone earbuds provide long lasting comfort. Small, medium and large earbuds are included to fine tune your fitment Great Sound: High-quality 9mm dome type driver units coupled with high-energy neodymium magnets produce great sounding treble and midrange with powerful bass response