When you\'re on the move, listen to your tunes in clear, balanced sound with the MDR-ZX110AP headphones featuring dynamic 30mm drivers. While cushioned earpads give you extra comfort on the go. The MDR-ZX110AP headphones improve Android smartphone functionality. Features 30mm dome drivers for balanced sound High energy neodymium magnets deliver powerful sound 12Hz-22k Hz frequency range Padded earcups for comfortable listening Swivel folding design makes travel easy