1. Ensure Bluetooth is enabled on your phone. 2. Open the Veepoo Health app and go to "My" > "Add Device". 3. Follow the on-screen instructions.

Please try the following steps: 1. Ensure the watch and phone are within range (typically within 10 meters). 2. Restart the Bluetooth on your phone. 3. In the Veepoo Health app, go to the device settings and try "Unpair Device", then pair it again as a new device. 4. Check if battery optimization for the Veepoo Health app is disabled on your phone to allow background operation.