SONY MDR-NC500D Wired  (Black, On the Ear)

The lightweight MDR-NC500D headphones use digital technology to more accurately reduce stress-inducing noise from planes trains and busses while providing the high-quality audio expected from Sony. Experience the world s first headphones that uses digital technology to realize incredible noise reduction along with pristine quality audio with Sony s MDR-NC500D. Reducing upto 99% of ambient noise from airplanes trains or at the office the MDR-NC500D headphones have ground breaking new digital signal processing technology suitable for an optimal listening environment. Enjoy features that include three distinct noise canceling modes artifical intelligence function that automatically selects the optimal mode a digital equalizer that ensures high-grade audio without sacrificing the noise canceling effectiveness and a lightweight design that offers premium comfort. Noise Canceling Technology.