Product Review
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Get the power of continuous heart rate in Fitbit's slimmest design yet-all day, during workouts and beyond
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With heart rate, you can better measure calorie burn, and use zones (Fat Burn, Cardio, and Peak) to find the right workout intensity for your goals.
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With sleep stages powered by PurePulse heart rate, automatically track your time spent in light, deep and REM sleep and take steps toward a better night's rest.
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See how working out more can improve your health by comparing your resting heart rate trends to your activity.
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Automatically track your steps, distance, calories burned and active minutes with up to 7 days of battery life Care: If the band gets wet or if you sweat in it, remove and completely dry the band before putting it back on.