This is a fully functional wireless keyboard and touchpad which can fit in the palm of your hands! Aside from the standard keyboard and mouse functions, it also has exclusive page up and page down shortcuts, LED indictors, and power switch. With a universal 2.4GHz USB dongle, this remote controller is easy to use without installing extra driver in your smart devices. In addition, the remote controller is compatible with multi-systems thus it can run on Windows, Mac, Android and Linux.