Study on how Redmi k40 uses Huawei gt2 for heart health.

1. When Huawei watch gt2 watch is used for the first time, press and hold the key to turn it on, and the watch will turn on Bluetooth and enter the pairing state;

2. Download and install the "Huawei Health" app on the mobile phone, or update the existing sports health app on the mobile phone to the highest version;

3. Open Huawei Health app, open the relevant permissions of the app according to the pop-up prompt, click "My", then "My Device", and then "Add Device", and select the watch Huawei watch gt2 as an optional device;

4. Click "Start Pairing", and Huawei Health app will automatically search for the Bluetooth device name of the watch and list it. Click on the watch Bluetooth HUAWEIWATCH-xxx name, and the watch and mobile phone will automatically start pairing, and the pairing is successful.