Product basic info Primary colours: Black Diameter unit: 40 mm Weight unit: 250 g Material: ABS Physical properties Cable length: 2 m Adjustable headband: Yes Headset type: Digital, Stereo Electrical data Maximum power rating: 600 mW Impedance: 32 ohm Operational properties Sensitivity: 105 dB Power supply Input frequency range: 20-20000 Hz (EN)