Headband headphones series ultrasone performance type of fitting over ear transmission mode wired features gold plated jacks sound functions passive noise reduction in line volume control impedance 32 ohm frequency response 7 35000 hz driver 40 mm number of drivers 1 length of cable 12 m type of cable single sided jack 25 mm colour grey material metal headband earcup material leather weight 274 g included in delivery carry pouch connectin