Step counter – tracks your daily steps.
Calorie tracking – estimates calories burned during activity.
Distance tracking – monitors how far you walk/run.
Heart-rate monitoring – tracks your heart rate during the day and exercise.
SpO2 monitoring – estimates blood-oxygen levels on supported versions.
Sleep monitoring – tracks your sleep patterns and duration.
Sports modes – supports different types of workouts/exercises.
Sedentary reminder – reminds you to move if you've been sitting for too long.
Activity tracking – gives you a general overview of your activities.