Instructions
Third Party Bluetooth Headsets
Turn on the PS3. Go to the "Settings" icon the PS3 main menu. Scroll down and select "Accessory Settings." Select "Manage Bluetooth Devices." Select "Yes" when asked to register a new device.
Select "Register New Device." Press the "Pair" or similarly titled button on the Bluetooth headset and select "Start Scanning" on the PS3. Select the name of the Bluetooth headset when it appears on-screen.
Enter the passkey for the Bluetooth headset. On most headsets, the passkey is 0000 by default. Select the "OK" button. After entering the passkey, the pair confirmation screen will appear.
Official Bluetooth Headset
Turn the PS3 on.
Connect the small, rectangular side of the supplied USB cable to the Bluetooth headset. Connect the opposite side to either USB port on the PS3.
Wait for the power indicator on the side of the Bluetooth headset to display two solid green lights, which indicates the pairing is complete.