In ear headphones type of fitting in ear transmission mode wired features in line control microphone headset compatible with ios function remote control function sound function passive noise reduction impedance 28 ohm frequency response 20 20000 hz max power handling 30 mw driver 15 mm number of drivers 1 length of cable 12 m types of cable symmetrical double sided jack 35 mm material plastic earpiece material silicone weight 192 g in