Track your all-day activity like steps, distance, calories burned, floors climbed and active minutes with this Fitbit Charge 2 Heart Rate + Fitness Watch. You can also find moments of calm throughout your day with personalized guided breathing sessions based on your heart rate. PurePulse provides continuous, automatic wrist-based heart rate tracking to better measure your calorie burn all day and help you maximize workouts. OLED display lets you see call, text and calendar notifications and also automatically track how long and how well you sleep and wake with a silent vibrating alarm. Connected GPS during run mode lets you see real-time stats like pace and distance on your wrist. Perfect.