Bakeey R1S 0.96inch OLED Heart Rate Monitor Pedometer Fitness Smart Bracelet

Decriptions: ALL-DAY ACTIVITY TRACKING:  Heart rate, steps, distance, calories, goal setting, Sedentary Reminder, sleep quality.Improve Sleep Patterns and Habits and monitor how long and well you sleep, and wake you with a silent alarm.Search and download "Mistep" in APP Store or Google Play Store to unlock all these amazing features. NEAT&CONVENIENT DESIGN:  Fast changing and easy controlling functions of the wristband by tapping/sliding,and you can View Notifications on the Large OLED Display such as SNS Reminding,Caller ID,Text Notification or Weather Forecast. (When phone is nearby, requires bluetooth and Internet connection).You can be free to open or close the function page, free to set.And can even Hang up the Phone on the Smart bracelet. MORE SCIENTIFIC DATA:  Research evidence increasingly links high HRV(Heart rate variability) to good health and a high level of fitness, whilst decreased HRV is linked to stress, fatigue and even burnout .By acting on your HRV biofeedback