In ear headphones series sony mdr type of fitting in ear headset compatible with ios sound function passive noise reduction sound mode stereo sensitivity 103 dbmw impedance 16 ohm frequency response 5 24000 hz max power handling 100 mw driver 9 mm number of drivers 1 membrane pet magnet type neodymium length of cable 12 m types of cable retractable cable straight cable symmetrical double sided jacks 35 mm 4 pole jack plug for apple b