After the installation is completed, please open the Health App and click the "Add Device" card on the management page or the scan icon in the upper right corner to enter the code scanning interface. Use the health App to scan the QR code displayed on the bracelet, and then follow the instructions in the health App to complete the pairing with the bracelet.
If it is not the first time to use the bracelet, after the bracelet is charged and turned on, slide the bracelet screen to enter Settings >; Regarding the bracelet, through the code scanning function of the mobile phone health APP management interface, find the matching QR code and scan the connection.
Note: This answer is applicable to all models of OPPO.