Featuring inverse phase active technology which &#39;cancels out&#39; background noise and high quality protein leather ear pads the NC-60s reduce external noise by up to 85% resulting in a more enjoyable audio experience.&lt;br /&gt;&lt;br /&gt;The 40mm driver units provide superior sound performance whilst the soft cushioned earpads are comfortable to wear for long periods. Perfect for on a long flight train journey in the car or just to use at home.&lt;br /&gt;&lt;br /&gt;For added convenience the NC-60 earpieces can be rotated so that the headphones can be stored flat in the included durable vinyl carry case saving you precious space in your hand luggage whilst keeping the NC-60 protected.&lt;br /&gt;&lt;br /&gt;In addition to the flexible 1.5m audio cable adapters for connecting to dual plug in-flight entertainment systems and your Hi-Fi are included.&lt;br /&gt;&lt;br /&gt;- Active Noise Cancellation technology delivers up to 85% reduction of ambient noise&lt;br /&gt;- 40mm high output drivers with neodymium magnets for smooth solid bass and clear sparkling treble&lt;br /&gt;- Features a fully adjustable headband and soft cushioned earpads for your comfort&lt;br /&gt;- Closed back design eliminates sound leakage&lt;br /&gt;- 2 Year Warranty