You can wear a basic pair of headphones with no obvious redeeming qualitiesor you can wear Sennheiser's HD 448. These headphones deliver an excellent lifelike stereo sound experience - both indoor and outdoor. What's more theirergonomic design ensures a comfortable fit around your ears. Completing thepackage are an extension cable a 6.3 mm stereo adapter as well as a carryingpouch for safekeeping.<p>The HD 448 headphones have an advanced acousticsystem with powerful neodymium magnets and lightweight diaphragms for alifelike stereo sound experience. The ergonomic and closed circumaural designblocks outside noise for pure audio enjoyment whilst adding superior comfortfit and a superb all-round listening experience.<p>The Sennheiser HD 448headphones are optimised for iPod iPhone MP3 and CD players (iPhone and iPodare trademarks of Apple Inc. registered in the U.S. and other countries)<p>Theseearphones deliver the exceptional quality audio that you would expect fromSennheiser and they are supplied with a 2-year manufacturer warranty.<p>Avoidusing headphones with the volume turned up for an extended period of time.Doing so can damage your hearing. It is advisable to keep the volume at amoderate level at all times. For your own safety please do not use whendriving or cycling.