Plug & PlayIt's easy to use. You just need to plug the USB receiver into the computer's USB port to start using it. No driver installation is required. (The USB receiver is inserted at the bottom of the mouse) Energy Saving & LED Lighting The wireless mouse is powered by two AA batteries (not included). equipped with an energy-saving chip, so you don't have to worry about frequently replacing the batteries.The LED lights will bring you a more beautiful visual experience and an interesting working atmosphere. There is a switch at the bottom of the mouse with three options: "On, Off, Light". Setting it to "Light" will turn on the LED backlight 4 Adjustable DPI / 2.4GHz Stable Connection4 DPI setting,600/1000/1600/2400DPI. By using the DPI button, you can easily adjust the sensitivity of the mouse to meet your different needs. 2.4 GHz wireless (not Bluetooth) provides a powerful, stable connection.Widely used for gaming and office. Ergonomic Desig