Headband headphones series jbl t type of fitting on ear transmission mode wired features collapsible manufacturer specific features purebass call function answer call sound type powerful bass button position on headphones impedance 32 ohm frequency response 20 20000 hz driver 32 mm number of drivers 1 operating time 11 h length of cable 12 m types of cable double sided tangle free jacks 35 mm 4 pole jack plug for apple blackberry colou