Bose QuietComfort 20 Acoustic Noise Cancelling Headphones for Apple Devices

  Ideal for iPod, iPhone and iPad. Usb cable is 30.5 centimeter long Noise cancelling reduces surrounding distractions, letting music stand out Aware mode lets you hear what's around you when you need to, at the touch of a button Exclusive Tri Port technology and Active EQ help deliver lifelike, digital quality audio 3 pairs of StayHear + tips allow you to select your size (S, M, L) for optimal audio performance   Details: Shut out the world and loose yourself in your music or hear what's around you. It's your choice with the first in-ear noise cancelling headphones from Bose. Quiet Comfort 20 Acoustic Noise Cancelling headphones are engineered to let you enjoy better sound every day, everywhere you go. Turn on noise cancelling to reduce surrounding distractions and focus on your music. Or, at the touch of a button, activate Aware mode so you can hear what's happening around you without removing the headphones. Inside, TriPort technology brings your music to life while additional Bos