Here's how to search for and pair with a Bluetooth headset on your Nokia Lumia 820:
- From the Start screen, swipe to the left.
- Scroll down to and tap Settings.
- Tap Bluetooth.
- Note: Ensure the Bluetooth Status switch is set to On and the required Bluetooth headset is switched on and in pairing mode. Tap the required Bluetooth headset.
- Wait whilst the Bluetooth headset is being connected. Click Next to continue.
That's it - the Bluetooth headset for your Nokia Lumia 820 is now paired and connected.