Significant changes in ambient temperature may negatively impact skin temperature tracking. Skin temperature is only available in the Fitbit app and only displays variation. ***Skin temperature variation and SpO2 are not available in all markets.
Get 24 hours of charge with 12 minutes of charging. **Varies with use and other factors up to 12 hours with continuous GPS. *The Fitbit ECG app is only available in select countries and with select Fitbit products not intended for use by people under 22 years old. See here for additional details.
