QuietComfort 25 headphones are built for comfort, deep sound and compactness. Change the way you listen with powerful balanced sound that makes every note clearer. Enjoy silence with noise cancellation that makes your music more epic. Pop on and fade out annoying aeroplane noise, so you can listen in peace anywhere. Sound so clear youll hear precise guitars, crisps vocals, clean bass and deep percussion like never before. Designed to work with your iPhone, you can talk hands-free with the inline mic and be heard perfectly from the nosiest places. Headphones are lightweight and soft on the headband and ear cushions, with rotating earcups for a perfect fit. Earcups fold flat into a compact case thats lightweight yet rugged, so your headphones with be protected wherever you travel. 1.42m cord length. In-line with microphone for calls and track control controls. Adjustable headband. 3.5mm jack . Carry case. Compatible with universal smartphones. Batteries required 1 x AAA battery (included) . Manufacturers 2 year guarantee.