the t.bone HD 200, Headphones, Circumaural, Closed, Rotatable earcups, 57 mm driver, Frequency range: 20 - 20,000 Hz, Sensitivity: 110 dB, Impedance: 32 Ohm, Max. input level: 100 mW, 3 m cable with 3.5 mm jack plug and 6.3 mm adapter, Weight without cable: 244 g