Philips In-Ear Noise Cancelling Headphones

• Philips In-Ear Noise Cancelling Headphones.
  
• Philips model number SHN2500.
  
• 70% less external noise.
  
• Active noise canceling.
  
• They come with a variety of three cap sizes to ensure a perfect seal and comfortable fit.
  
• Ideal for planes and trains.
  
• Optimal listening in noisy environments.
  
• Hang the headphones around your neck for convenience.
  
• Small control box avoids bulky control boxes.
  
• Adapter for in-flight entertainment system connection.
  
• 3.5-6.35mm adaptor connects to all types of audio devices.
  
• A 1.2m long cable that is ideal for outdoor use.
  
• Open acoustic system.
  
• 50-1,500Hz, > 10dB at 300Hz active noise attenuation.
  
• Mylar dome diaphragm.
  
• 40-20 000 Hz frequency response.
  
• 72 Ohm at 1kHz 72 Ohm.
  
• Neodymium magnet type.
  
• 15 mW maximum power input.
  
• 10 dB at 300Hz noise canceling effect.
  
• 102 dB sensitivity.
  
• 9 mm speaker diameter.
  
• Copper voice coil.
  
• 1.5V Battery R03/AAA included.
• Airplane plug 2. 3.5 mm included.
  
• Storage pouch included.
  
• Black.
  
• Case pack: 1.