In ear headphones series pioneer dje type of fitting in ear transmission mode wired features gold plated jacks headset compatible with ios sound function passive noise reduction sensitivity 105 dbmw impedance 22 ohm frequency response 6 20000 hz max power handling 300 mw driver 94 mm length of cable 16 m type of cable ofc jack 35 mm weight 61 g included in delivery carry pouch ear adaptor set