Philips SHN9500 Noise Cancelling Headphones

Features Sophisticated electronics eliminate unwanted noise by 85% Mute button allows conversations without removing headphones Soft ear cushions provide a perfect seal for perfect sound Premium-quality sound from neodymium drivers Made to fit you and your lifestyle Easy adjustable headband ensures optimum fit and comfort Single-sided detachable cable for added convenience Carrying case protects your headphones when not in use Adapter for in-flight entertainment system connection 3.5 - 6.35mm adaptor connects to all types of audio devices Battery included so you can use your product straight away Acoustic System: closed Magnet Type: Neodymium Diaphragm: Mylar(r) dome Frequency Response: 20 - 22 000?Hz Voice Coil: copper Impedance: 32 Ohm Maximum Power Input: 500 mW Noise Canceling Effect: -20dB at 200Hz Sensitivity: 102 dB Speaker Diameter: 40 mm Finishing of Cable: anti-tangle Finishing of Connector: 24k gold plated Battery: 1.5V Battery R03/AAA