Ear coupling : Supraaural Wearing style : Head-band Maximum input power : 1000 mW Headphone frequency : 6 - 25000 Hz Headphone sensitivity : 104 dB Impedance : 40 O Driver unit : 3 cm Driver type : dynamic Magnet type : neodymium Acoustic system : closed Connectivity technology : Wired Cable length : 1.2 m Connector contacts plating : Gold Colour of product : White Detachable cable : Yes Weight : 170 g Headphone connectivity : 3.5 mm