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A smartwatch is a computerized wristwatch that can do things not related to showing the time.
While early models could perform basic tasks, such as calculations, language translations, and game-playing, since the 2010s smartwatches are effectively wearable computers. Many run mobile apps, using a mobile operating system. Some smartwatches function as portable media players, with FM radio and playback of digital audio and video files via a Bluetooth or USB headset.