Product Review
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. Syncing range: Up to 6.1 m; Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth 4.0 LE will need a wireless sync dongle in order to sync; Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.4 and later, and Windows 10 devices . Operating temperature 14° to 113° F
- Get the power of continuous heart rate in Fitbit's slimmest design yet-all day, during workouts and beyond
- 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
- With sleep stages powered by PurePulse heart rate, automatically track your time spent in light, deep and rem sleep (coming soon) and take steps toward a better night's rest
- Receive call, text and calendar notifications on display, so you never miss the messages that matter
- Automatically track your steps, distance, calories burned and active minutes with up to 7 days of battery life
- Operating temperature: 14 to 113 Degrees F, Maximum operating altitude: 30,000 feet
- Buy with confidence when your Fitbit product ‘ships from and is sold by’ the following authorized Fitbit retailers: Amazon.com, Heart Rate Monitors USA and Clever Training. Fitbit does not guarantee the quality or authenticity of products purchased from non-authorized resellers on Amazon, and they are not eligible for warranty and replacement from Fitbit.
- The minimum and maximum circumference range between 140 - 170 millimeters
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