Google stores a lot of data, including on the Oppo smartphone. if the activity settings are not adjusted, the Oppo device collects data such as web & app activity, location history, YouTube history, and more. this data is associated with the Google Account you're signed in to. if you don't want this, you can adjust the activity settings.

Android 10 | ColorOS 7.0
Step 1:  Open the  Settings
Step 2:  Tap on  Privacy
Step 3:  Tap on  Advanced
Step 4:  Tap on  Activity controls
Step 5:  Enable or Disable desired  Activity
  1. Open the Settings
  2. Tap on Privacy
  3. Tap on Advanced
  4. Tap on Activity controls
  5. Enable or Disable desired Activity

Oppo Instructions