Sony MDR-XD200 Stereo Headphones Technical Information--Connectivity Technology--Wired::Technical Information--Cable Length--11.48 ft::Technical Information--Sound Mode--Stereo::Technical Information--Impedance--70 Ohm::Technical Information--Minimum Frequency Response--10 Hz::Technical Information--Maximum Frequency Response--22 kHz::Earpiece--Earpiece Design--Over-the-head::Earpiece--Earpiece Type--Binaural::Earpiece--Driver Type--Neodymium::Earpiece--Driver Size--1.57"::Earpiece--Earpiece Sensitivity--102 dB Interfaces/Ports--Host Interface--Mini-phone::Physical Characteristics--Weight (Approximate)--7.76 oz:: Connectivity Technology : Wired