Sony's MDREX15AP In-Ear Headphones deliver powerful, balanced sound with 9mm neodymium drivers and a frequency range of 8Hz-22kHz. Designed for convenience, they feature an in-line microphone and remote for hands-free calls and music control, compatible with Android smartphones via the Smart Key app. The lightweight design includes comfortable, secure-fitting hybrid silicone earbuds in three sizes (S, M, L) to ensure a perfect fit and long-lasting comfort. A Y-type cord with a slider prevents tangling, making these headphones ideal for music mobility.