Headband headphones type of fitting over ear transmission mode wired features gold plated jacks headset compatible with ios function remote control function call functions answer call end call sound function passive noise reduction sensitivity 100 dbmw impedance 35 ohm frequency response 5 40000 hz max power handling 2 000 mw driver 45 mm number of drivers 1 length of cable 3 m types of cable straight cable removable cable jack 35 mm num