Headphone Type Noise Cancelling Cord Length 1.4 m Plug 3.5 mm 3P mini-plug (Gold Plated) Driver Units 14.2 mm Frequency Response 5 Hz to 16,000 Hz Impedance 34.5 ė (ON) / 18.5 ė (OFF) Maximum Input Power 10 mW Sensitivity 103 dB (ON) / 105 dD (OFF) Weight 28 g (1 oz) (without battery)