Connecting a Mi-Fit device

Apple

Step 1: 

Download the Mi Heart Rate app from the app store

Step 2: 

Open the app and click on the menu icon

Step 3: 

Click on the Apple Health switch

Step 4: 

Allow Mi HR to access and write heart rate data by clicking on the switch, then click "Allow" at the top right corner.

Andriod

Step 1:

Open the Mi Fit app and tap the profile button on the lower right corner

Step 2:

Scroll down and tap Add accounts. Mi Fit will offer to automatically pair with WeChat and Google Fit. 

Step 3:

Click on Google Fit and confirm the sync.