How to bind the Xiaomi Body Composition Scale S400?

The Xiaomi Body Composition Scale S400 supports binding with the Xiaomi Home/Mi Home APP.
The methods to bind the scale with the APP are as follows:
1. Step on one foot lightly to wake up the scale. Open the [Mi Home/Xiaomi Home] APP >> tap the [+] icon at the upper right corner >> [Add a device] >> select [Xiaomi Body Composition Scale S400] in the device list. Then wait for the APP to bind with the device;
2. Get close to the Xiaomi Body Composition Scale S400 and complete the binding. Then you can set information after binding.