If the NFC (Near Field Communication) function is enabled on the OnePlus smartphone, the Android Beam menu item is available.

Android Beam allows us to transfer data and app content to other compatible devices, which guarantees significantly higher data transfer rates and thus offers a higher speed than Bluetooth, for example.

Android 10 | OxygenOS 10.0
Android Beam -  Open the  Settings
Android Beam -  Tap on  Bluetooth & device connection
Android Beam -  Tap on  Android Beam
Android Beam -  Enable or disable  Android Beam
  1. Open the Settings
  2. Tap on Bluetooth & device connection
  3. Tap on Android Beam
  4. Enable or disable Android Beam

OnePlus Instructions