Instructions
Open the "Settings" menu on your PlayStation 3.
Open the "Accessory Settings" category in the "Settings" menu.
Choose the "Manage Bluetooth Devices" option. Select "Register New Device." From the list of options that appears, select "Start Scanning."
Turn on your iPod Touch and select the "Settings" application. Tap "General" and "Bluetooth." Tap the word "Off" to turn Bluetooth on (if applicable). The word "Off" will change into the word "On," indicating that Bluetooth functionality has been enabled.
Use your Dual Shock controller to select the iPod Touch from the menu of your PlayStation 3. The iPod Touch and the PlayStation 3 will now communicate with one another via a wireless Bluetooth connection.