★Smart Watch main Function-Heart rate and Blood pressure monitor, Steps, Calories burned, Notifications reminder, Intelligent sleep tracker, Camera remote, Alarm clock, Stop Watch, Sedentary etc, (Note:heart rate and blood pressure monitor is just for reference only,can not replace.★Heart Rate Monitor and Sleep Tracking-The real time heart rate monitor keeps a 24 hours record of your heart rate automatically. The sleep monitor comprehensively analyzes the data such as your sleep duration and sleep depth, which helps you to improve sleep quality