Sony MDR-XB55AP Closed Dynamic Extra Bass In-Ear Headphones, Blue

Specially developed 12mm drivers combine a compact, lightweight design with a high sensitivity of 112dB/mW, for powerful sound without distortion at high volumes.

Inline remote and mic for hands-free callsTake hands-free calls and switch tracks without ever having to touch your smartphone, thanks to the inline remote and mic.Powered Bass Duct++ for extra deep bass
Powered Bass Duct++ technology delivers deep, responsive bass and powerful sub-bass, making it perfect for low-end focused music styles.
Tangle-free cableThe cable has a serrated design to resist snags and tangles, keeping your headphones knot-free.
4 sizes of earbudWith a range of 4 earbud sizes, (SS, S, M, and L), you'll be able to customise your fit for comfortable on-the-go listening.