p>Get a deeper understanding of your body, your health and your progress with Fitbit Charge 3. This swim proof advanced fitness tracker does more than count steps - it tracks 24/7 heart rate, calorie burn, 15+ exercises, goal progress, sleep and more. Every day you'll find valuable insights about your health that will empower you to take action, improve yourself and reach your goals.* *Water resistant to 50M. One Size, Small and Large Bands included. Fitbit Charge 3, Fitness Activity Tracker: