In ear headphones noise cancelling headphones type of fitting in ear transmission mode wired features gold plated jacks music functions next track pause play previous track call functions answer call end call sound functions passive noise reduction active noise reduction sensitivity 96 dbmw impedance 16 ohm driver 10 mm number of drivers 1 length of cable 125 m types of cable single sided flat cable tangle free jacks 35 mm 4 pole jack plug for