How to set the heart rate of Xiaomi bracelet 2? I can't find a place to set it.

1. First, open the phone, enter the main page of the phone, locate the Xiaomi Sports app, and enter the main page of the app. As shown in the figure below.

2. Then, after entering the main page of the app, click My Options in the lower right corner of the page to enter the details page. As shown in the figure below.

3. Then, after entering my page, click mi band in the middle of the page to enter the bracelet for setting.

4. Finally, after entering the bracelet, we find the heart rate detection option, and then click the small arrow on the right to enter the detailed settings page. You can set it yourself.