sentences:  It is capable of charging two controllers simultaneously and is powered by a wall plug.The wireless keypad peripheral (CECHZK1x, where "x" is a region code) was launched in Europe on November 28, 2008, early December 2008 in North America, and came to Japan in late 2008.As well as acting as keyboard, the wireless keypad features a touchpad button (labeled as a pointing hand, similar to the pointer used in the web browser), which allows the surface of the keypad to be used as a touchpad, allowing users to move the pointer by sliding their fingers around the keypad surface.