Operation method of initial connection between watch and mobile phone:
1. Download and install the "Health" App on the mobile phone (both Apple and three-party Android phones are called Huantai Health);
2. After the watch is charged or turned on by long pressing the function key (right down key), select the system language and open the paired QR code according to the interface instructions;
3. Open the "Health" APP or "Huantai Health" App of the mobile phone device, and log in or register the OPPO account;
4. Click "Device" in the "Health" App or "Huantai Health" to enter, find "Add Device", scan the matching QR code displayed on the watch, and complete the connection according to the on-screen prompts.