Model:

MDR-NC200D

MDR-NC200D Noise Cancelling headphones

40mm driver unit, folding design, DNC Software Engine, AINC, S-Master Digital

DNC Software Engine - Delivers accurate, interruption-free sound in the noisiest and quietest environments by pushing out optimal noise cancelling signals
Auto Noise Cancelling - Headphones automatically select the best noise cancelling mode for where you are, or choose via the shortcut AINC key
S-Master Digital Amplifier and Equalizer - Crystal clear sound for playback faithful to the original source, in superb clarity
Urethane Cushion - Lightweight and pressure-relieving cushioned earpads reduce ambient noise, so all you can hear is your music
Foldable design - Travel-friendly 2-way folding mechanism swivels headphones together, making them easy to carry and store
OFC cord - Durable and lightweight Oxygen Free Copper cord minimises transmission loss
Passive operation - Use as normal headphones with noise cancelling if you run out of battery power