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Headphones are audio devices designed to be worn on or around the head, typically consisting of a pair of earpieces connected by a band that goes over the top of the head or behind the neck. They are used to listen to music, movies, and other audio content privately, without disturbing others. Headphones come in various types, including wired and wireless models, and offer different features such as noise cancellation, surround sound, and customizable sound profiles. They can be connected to a wide range of devices, including computers, smartphones, tablets, and music players, making them an essential accessory for anyone who enjoys listening to audio content on the go or in a shared space.