In ear headphones type of fitting in ear transmission mode wired features interchangeble earpads in line control microphone headset compatible with ios sound functions passive noise reduction in line volume control sensitivity 100 dbmw impedance 18 ohm frequency response 20 16000 hz driver 108 mm number of drivers 1 length of cable 12 m jack 35 mm jack shape straight colour silver material aluminium weight 16 g included in delivery ca