Headband headphones type of fitting over ear transmission mode wired features adjustable headband padded headband onoff button sensitivity 101 dbmw impedance 50 ohm frequency response 20 20000 hz driver 50 mm operating time 12 h battery charging time 4 h battery capacity 1 000 mah length of cable 3 m type of cable removable cable jack 63 mm colours brown silver headband colour silver earcup colour silver ear pad colour brown micropho