Sony MDR-ZX110NC Noise Cancelling Headphones (Black)

General Features DRIVER UNIT: 30 mm dynamic – Dome type DIAPHRAGM: PET FREQUENCY RESPONSE (HZ): 10–22,000Hz SENSITIVITIES (DB/MW): 115 dB/mW – Power on 110 dB/mW – Power off MAGNET: Neodymium IMPEDANCE (OHM): Power ON 220 ohm, OFF 45 ohm (at 1kHz) CORD LENGTH: 1.2 m PLUG: Gold-plated L-shaped stereo mini WEARING STYLE: Headband, On-ear What's In The Box Plug adaptor for in-flight use Operating instructions Size & Weight WEIGHT: 150 g (including battery and excluding cable)