Headband headphones series jvc ha sr type of fitting on ear transmission mode wired features gold plated jacks headset compatible with android blackberry ios music functions pause play call functions answer call end call sound function passive noise reduction sound mode stereo button position on cable frequency response 10 25000 hz max power handling 500 mw driver 36 mm number of drivers 1 magnet type neodymium length of cable 12 m types