Large Dynamic High-Res Over-Ear Headphones 60mm, with large dynamic driver Beryllium-plated gasket + DLC diaphragm 350 high impedance Asymmetric internal and external magnetic circuit system Aluminium alloy construction with Furukawa monocrystalline copper cable 3-Axis Swivelling Design with Angled Placement for Drivers.Sensitivity: 102dB Frequency Response Range: 7Hz-40kHz.4 different audio plugs included, as well as leather case and 2 sets of earpads.Weight: Approx 391 grams & Cable Length: Approx 3m