sentences:  When in touchpad mode, the left and right arrow buttons act as left and right mouse buttons, respectively.Although designed to be directly attached to the controller, the keypad features an internal battery and an independent Bluetooth connection, and does not connect to the controller electronically in any way, meaning it can function separately from the controller.The keypad must be first connected to the PlayStation 3 via a USB mini-B to USB-A cable or put into Bluetooth discovery mode (by holding down the "blue" modifier key when switching the device on) so it can be paired and subsequently used.