Wireless Car Mouse: Computer mouse combined with car shape, fashion and cool, compact and portable, novelty design give you a special mouse and catch more eyes for you, it serves as a decoration on your desk when you do not use it. Perfect gift for your friends or families Computer Mouse with Great Size: Size of the car mouse is 4.53 x 2.0 x 1.65 inch, easy to carry, 1600DPI, 3 Buttons, it is smooth and convenient to operate. Also, it has a comfortable hand touch and powered by 2 x AAA batteries (not included). Works better with a mouse pad The car mouse with the blue headlights it is very cool, 2.4GHz digital wireless transmission, operation distance is up to 10 meters. The batteries are inserted into the top of the car, and the receiver is placed into the battery slot side, just slide back the cover, you will see it, then insert two AAA batteries, you can use it well Intelligent Connectivity: There is no need to code, just plug & play, easy to use. In order to save electricity, if you don't often use it, please turn off the switch of the mouse. Good Performance: Mouse can compatible with Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux or Mac OS Warm Tips: About the led light, only have the blue headlights, as it has no individual switch for the LED light, the light is formed because of light transmission when you turn on the car mouse, so the light is not strong, it can help you save the battery power. So the light is not real light, it will not light up, thanks