Before you can use a Bluetooth device with the PS3, you must first register the device with the system. You can do this by going to Settings > [Accessory Settings] > [Register Bluetooth Device] and select the device you want to add. Simply follow the on-screen instructions to add the device to the system. Currently, the PS3 can only handle the following Bluetooth devices:
- Headset
- Sony Blu-Ray remote control
- Keyboard/Mouse