Headband headphones series pioneer se m type of fitting over ear transmission mode wired features in line control gold plated jacks microphone padded headband call functions answer call end call sound mode stereo button position on cable sensitivity 105 dbmw impedance 32 ohm frequency response 9 40000 hz driver 40 mm voice coil ccaw length of cable 12 m types of cable single sided tangle free jack 35 mm colours red black headband col