+A **fitness tracker** is a [wearable](/wiki/wearable) device that monitors metrics related to physical [activity](/wiki/activity) and health. It silently gathers data on steps, heart rate, and sleep, guiding individuals towards their wellness objectives.
+## See also
+- [Smartwatch](/wiki/smartwatch)
+- [Wellness](/wiki/wellness)
+- [Exercise](/wiki/exercise)
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