Get a deeper understanding of your body, your health and your progress with Fitbit Charge 3. This swimproof fitness tracker does more than count steps-it tracks 24/7 heart rate, calorie burn, 15+ goal-based 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 up to 50M Color: Rose Gold/Gray. Gender: unisex.