Headband headphones noise cancelling headphones type of fitting on ear transmission mode wired features gold plated jacks headset compatible with ios function rechargeable sound function active noise reduction sensitivity 107 dbmw impedance 16 ohm frequency response 7 25000 hz max power handling 150 mw driver 40 mm number of drivers 2 length of cable 12 m types of cable removable cable single sided jacks 35 mm 4 pole jack plug for apple