The update of the well-known fitness tracker doesn't turn out small. In the Charge 5, Fitbit replaces the outdated monochrome OLED of the predecessor with a color version, removes the button on the side, and expands several functions for health monitoring.
Update: ECG and Daily Readiness Score are available at this point.
https://www.notebookcheck.net/Fitbit-Charge-5-smartwatch-review-Many-health-functions-for-the-fitness-tracker-and-finally-a-color-display.579594.0.html