In ear headphones series jvc ha fx jvc gumy plus type of fitting in ear transmission mode wired features gold plated jacks headset compatible with ios sound function passive noise reduction sensitivity 103 dbmw impedance 16 ohm frequency response 10 20000 hz max power handling 200 mw driver 11 mm length of cable 1 m colour red material silicone weight 41 g included in delivery ear adaptor set