ZX110NA Noise Cancelling Headphones Listen to music and chat with friends using the MDR-ZX110NA noise cancelling, smartphone-capable headphones with in-line remote mic. Reducing ambient noise by 95 per cent, these lightweight headphones handle bass, mids and treble with ease and offer up to 80 hours of battery life. Specifications Driver Unit:30 mm dynamic – Dome type Frequency Response:10–22,000Hz Cord Length:1.2 m Weight:150 g (including battery and excluding cable) Closed type:Yes Driver unit:30 mm dynamic – Dome type Magnet:Neodymium Impedance (OHM):Power ON 220 ohm, OFF 45 ohm (at 1kHz) Frequency response:10–22,000Hz Sensitivities (DB/MW):115 dB/mW – Power on Cord type:Y-type Cord length:1.2 m Plug:L-shaped gold-plated four-conductor mini Wearing style:On-ear Microphone type:Electret condenser- Non-directional Box ceontents:Plug adaptor for in-flight use, Battery, Warranty card, Operating instructions