Because health is a matter of the heart
Fitbit Charge 3 gives you valuable information about your health and helps you understand your body's signals Fitbit Charge 3 offers a host of intelligent features that are compatible with iPhone and Android smartphones.
Features: Up to 7 days battery life1 Water-repellent up to 50 m Smart functions Touchscreen Continuous heart rate measurement Calorie consumption Automatic training recognition Sleep Recording & Sleep Phases Distance & tempo in real time Female health: helps to calculate your ovulation, etc. 1Battery life depends on usage behavior and other factors.