Sony MDR-NC40 Noise Canceling Headphones

More of what you want, less of what you don't. Noise-canceling technology lets these headphones filter out ambient sounds so you can focus on the music. Lightweight, foldable, and easily portable, these headphones are like having your own private concert hall anywhere you go. From Sony.

  • Includes headphones, carrying case and 1 AAA battery
  • Active noise canceling technology automatically reduces low-frequency ambient noise by up to 90%
  • Urethane ear cushions
  • Foldable design
  • Built-in monitor function
  • Lightweight design
  • Battery life up to 40 hours
  • UL listed; 3-month Limited Manufacturer's Warranty
  • Made in China

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