Charge 2 fitbit retail

Product Name: Charge 2 fitbit retail
Fitbit will not provide warranty on international version products sold in US PurePulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day Maximize your workouts using simplified heart rate zones (Fat retail Burn, Cardio and Peak) See call, text & calendar notifications on the OLED display; Automatically track how long and how well you sleep and wake with a silent vibrating alarm Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score; Use Connected GPS during run mode to see real-time stats like pace and distance on your wrist.