In ear headphones type of fitting in ear transmission mode wired features gold plated jacks headset compatible with ios sound function in line volume control impedance 16 ohm frequency response 20 20000 hz max power handling 100 mw driver 11 mm length of cable 13 m types of cable symmetrical straight cable double sided jacks 35 mm 4 pole jack plug for apple blackberry jack shape straight included in delivery carry pouch ear adaptor set