Sony Noise Cancelling Headphones Silver

Noise Canceling Fontopia® Ear-Bud Headphones offer you peace and quiet wherever you go, reducing noise by 70% (10dB) when the noise canceling circuit is switched on.

• Reduces noise by 70%
  (10dB) when noise canceling circuit is switched on
• 9mm driver units
  are super small; ultra-compact drivers produce powerful sound with space left over for the sonic isolation of these silicon designed earbuds
• Ideal for work
  helps you shut off outside noise and concentrate on the job at hand
• Ideal for music
  lets you listen to music through the headphones, while the noise canceling circuit reduces outside sound
• Noise Canceling circuit
  actually senses outside noise with built-in microphones and sends an equal-but-opposite canceling signal to the headphones; cancels noise from 50Hz to 1,000 Hz, with a maximum of 10dB noise cancellation in the critical range from 100 to 400 Hz - where the human ear is super-sensitive
• Noise Canceling on/off switch
  located on the battery box; red Power LED indicates when Noise Canceling is operating; when Noise Canceling if off, headphones continue to function for music listening
• Fontopia in-the-ear design
  fits snugly, yet comfortably inside the ear; eliminates the headband so you can enjoy music while exercising, skating or dancing
• Volume control
  means you won't have to reach into your pocket or under your coat to adjust the volume