In ear headphones series sony mdr type of fitting in ear transmission mode wired features gold plated jacks headset compatible with ios sound function passive noise reduction sensitivity 106 dbmw impedance 16 ohm frequency response 5 25000 hz max power handling 100 mw driver 12 mm length of cable 12 m types of cable straight cable double sided jack 35 mm earcup material silicone weight 6 g included in delivery carry case ear adaptor se