🎶 Elevate Your Sound Experience! Includes 4 sizes of earbuds for ultimate comfort. Experience club-like sound with powerful bass. Serrated cable keeps your headphones knot-free. Easily switch tracks and take calls on the go. Compact design for music on the move. 112dB sensitivity Inline mic & remote 12mm drivers The Sony MDRXB55AP/B Extra Bass Wired In-ear Headphones deliver an immersive audio experience with specially developed 12mm drivers and a high sensitivity of 112dB/mW. Designed for music lovers who crave deep bass, these headphones feature Powered Bass Duct++ technology for powerful sub-bass. The inline remote and mic allow for hands-free calls and track switching, while the serrated cable design prevents tangling. With four sizes of earbuds included, you can enjoy a comfortable fit for any occasion.