Come and see our amazing products. Smart watch features an improved heart rate sensor that's battery efficient.so you can measure your heart rate continuously during your workoutou,You can also set many reminders for health habits,such as sedentary reminders,water drink reminders,step goals,sleep goals,etc.Helping to reach health goals and keep disease at bay. Pls confirm further with us if any query about packing info, inventory status and time schedule.