See the quality of each night’s sleep by measuring heart rate, time asleep, time awake, time in deep and REM sleep and restlessness. Use 24/7 heart rate tracking to better track calorie burn, optimise effort during workouts, see your resting heart rate trends and cardio fitness level in the Fitbit app.
Weight | 0.40 lbs |
---|---|
Dimensions | 10.24 × 2.17 in |
Material | |
Color | |
Setup | |
Imprint Method | |
Lead Time | |
Ship By | |
Ship To |