Headband headphones series panasonic rp hf type of fitting on ear transmission mode wired features gold plated jacks music functions pause play call functions answer call end call sound function passive noise reduction sound mode stereo button position on cable sensitivity 110 dbmw impedance 25 ohm frequency response 9 26000 hz max power handling 1 000 mw driver 40 mm number of drivers 1 magnet type neodymium length of cable 12 m type