In ear headphones series ultrasone in ears type of fitting in ear transmission mode wired headset compatible with ios sensitivity 106 dbmw impedance 20 ohm frequency response 17 21000 hz max power handling 119 mw driver 8 mm number of drivers 2 length of cable 12 m type of cable double sided jack 35 mm jack shape straight material plastic earcup material silicone weight 10 g