The main function:
1. Exercise: Real-time measurement and recording of exercise data, providing weekly or monthly exercise trends, to make the situation of the exercise clear at a glance;
2. sleep: You can detect sleep data, record deep sleep, shallow sleep time, help users understand their own sleep in real time;
3. Notice: After setting up the bracelet, you can call the reminder, smart alarm clock, sedentary reminder, step number target and many other personalized settings to provide more convenience for the user's life.