**The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old. See here for additional details.
†Daily Readiness requires a membership to Fitbit Premium. Premium content recommendations are not available in all locales and may be in English only.
¹SpO2 is not available in all markets. This feature is not intended to diagnose or treat any medical condition or for any other medical purpose. It is intended to help you manage your well-being and keep track of your information.