If you have a Bluetooth Keyboard and Mouse here is the procedure to follow howto setup in ubuntu.

We need the MAC address (e.g. 00:00:00:00:00) of the mouse and keyboard.You can use KEYBOARD_ADDR and MOUSE_ADDR where you should find the addresses for the keyboard and mouse respectively. Press the button on the mouse that makes it visible to be found by the computer. Do the same for the keyboard. Now open a terminal window and run the following command:

hcitool scan

Scanning …
KEYBOARD_ADDR Microsoft Wireless Keyboard
MOUSE_ADDR Microsoft Mouse

Adding the Keyboard and Mouse

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