In ear headphones series jvc ha etr type of fitting in ear transmission mode wired features gold plated jacks manufacturer specific features pivot motion fit headset compatible with android blackberry ios music functions pause play call functions answer call end call sound mode stereo button position on cable sensitivity 104 dbmw frequency response 10 22000 hz max power handling 200 mw driver 9 mm number of drivers 1 magnet type neodymium