As a fitness activity tracker, the Fitbit Charge 3 offers 24x7 heart rate tracking for better measurement of calorie burn and understanding of resting heart rate. With a battery life of up to 7 days, you can easily keep track of your exercise goals and progress with 15+ exercise modes. Get more insight into your health with automatic tracking of sleep stages and personalized guidance. Plus, it's swim-proof and water-resistant up to 50 meters.
