About this item
- New sensors for heart rate tracking, skin temperature and stress management And a 100% recycled light aluminum housing that’s more comfortable
- An all-new sensor and Google AI combine for Fitbit’s most spot-on heart rate tracking yet ,So that you can get more precise health and fitness info
- With Fitbit’s body-response feature, get help identifying potential signs of stress, so that you can manage it in the moment
- A built-in sensor tracks temperature variations that may be related to your sleep environment, menstrual cycle or changes in your wellness
- Use the ECG app to assess your heart rhythm or get irregular heart rhythm notifications in the Fitbit app
- Fall detection is designed to help connect you to emergency services if you’ve had a hard fall, even auto-dialing if you’re unresponsive



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