Get ready to immerse yourself in superior sound quality with the Bose Quiet Comfort 3 acoustic noise cancelling headphones. Despite its heavy use, wear and tear, these headphones still deliver crystal-clear audio that is rich in detail and depth, thanks to Bose's renowned noise-cancelling technology. Included with these headphones are many accessories, including an EXTRA battery and EXTRA battery charger, a 5-foot extension cable, a dual-plug adapter, an AC battery charger, a detachable audio cable, and a carrying case. These accessories allow for easy use and transport, making them the perfect solution for on-the-go listening. Original box with documents. Even with their heavy use, these headphones have been cared for and are in fair condition. The quality of sound is still amazing. So why wait? Upgrade your listening experience with the Bose Quiet Comfort 3 acoustic noise cancelling headphones today!