Changeable Back Light: Hold "Fn" and press "F2" to turn on/off the backlit and the same button to set the backlit color in RED, BLUE and GREEN. Multi-Touch function: A single finger click as left mouse function, double finger drag as the rolling screen, three-finger click as the right mouse function. Short-cut Key: There are 8 multimedia function keys such as on/off switch, mail box, mute, mouse left, searching, my computer, browser home page and mouse right, which can save your time and improve your working efficiency.Auto sleep and auto wake mode . Touchpad DPI adjustable functions(Fn+Space) . 2.4GHz wireless connection, smart and portable size . The Ergonomically handheld design is easy to carry and operate . Removable rechargeable Li-ion battery that has longer standby time . Built-in intelligent power management software for power conservation . Comparable to the real notebook touch pad Perfect for PC, Pad, Andriod TV Box, Google TV Box, HTPC/IPTV, etc.