Sony WI-C400 Help Manual page 41

Select [Change PC settings] of the [Settings] charm.
2.
3. Select [Devices] of [PC settings].
4. Select [Add a device].
5. Select [WI-C400].
If passkey (*) input is required on the display of the computer, input "0000."
The headset and the computer are paired with each other and connected. You hear voice guidance
"BLUETOOTH connected".
If they are not connected, see
If [WI-C400] does not appear on the display, try again from step 3.
* A Passkey may be called a "Passcode," a "PIN code," or a "Password."
"Connecting to a paired computer (Windows 8/Windows
41
8.1)."