The Wireless Keypad is designed to attach onto a SIXAXIS or DUALSHOCK 3 wireless controller.
To use the wireless keypad, the PS3 system must be on version 2.50 or later.
Before using the wireless keypad, you must first register or "pair" to the keypad and the PS3 system.
When using in touch pad mode, the wireless keypad can be used like a mouse.
 Wireless Keypad
DC 5V, 500mA
FW min: 2.50
 Li-Ion (Accupack)
Battery Supply: DC 3.7V