If we want to use Bluetooth devices, such as inEars, headphones or speakers with the OnePlus smartphone, we must first connect or pair the devices with each other.
Normally it is sufficient to confirm the upcoming pairing, otherwise a PIN is displayed which can be entered to complete the pairing.

Android 10 | OxygenOS 10.0
Pairing Device -  Open the  Settings
Pairing Device -  Tap on  Bluetooth & device connection
Pairing Device -  Tap on  Bluetooth
Pairing Device -  Tap on  Pair new device
Pairing Device -  Choose an  available device
Pairing Device -  Tap on  Pair
  1. Open the Settings
  2. Tap on Bluetooth & device connection
  3. Tap on Bluetooth
  4. Tap on Pair new device
  5. Choose an available device
  6. Tap on Pair

OnePlus Instructions
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