Groundbreaking technology, for your listening pleasure. The innovative MDR-NC500D headphones use digital technology to more accurately reduce stress-inducing noise from planes, trains and buses while providing the high-quality audio expected from Sony. For extra-long usage, a built-in Lithium-ion battery is included, as well as two AA batteries.
In an independent blind test, frequent business travelers rated the NC500D headphones #1 twice as often as either the Bose QC 2 or QC 3 in overall noise cancellation and audio quality.
Artificial Intelligence (AI) noise canceling with automatic selection between three different environment modes
Internal Lithium-ion battery for up to 16 hours of use1 in addition to normal AA batteries which can be used as well and would allow for a joint 28 hours of use