Sony h.ear on 3 Wireless NC Help Manual page 49

Register the headset using the computer.
3
Select [ (System Preferences)] - [Bluetooth] from the task bar in the lower right part of the screen.
1.
2. Select [WH-H910N (h.ear)] from the [Bluetooth] screen and click [Connect].
If Passkey (*) input is required, input "0000".
The headset and computer are paired and connected with each other. You will hear the voice guidance say,
"Bluetooth connected".
If they are not connected, see
If [WH-H910N (h.ear)] does not appear on the computer screen, try again from the beginning of step 3.
*
A Passkey may be called "Passcode", "PIN code", "PIN number", or "Password".
Click the speaker icon in the upper right part of the screen and select [WH-H910N (h.ear)].
4
Now you are ready to enjoy music playback on your computer.
Hint
The operation above is an example. For more details, refer to the operating instructions supplied with the computer.
"Connecting to a paired computer
49
(Mac)".