CHUYI 2.4ghz Wireless Sport Car Mouse Optical Mouse Mice Ergonomic Design for Computer Laptop (Light Blue) Wireless Car Shaped Mouse: Computer mouse combined with car shape,novelty design give you a special mouse and catch more eyes for you Intelligent Connectivity: There is no need to code,just plug and play, easy to use, if the mouse is not used for short time, it will turn to power saving mode to save energy Computer Mouse with Great Size: Size of the car mouse is 4.53 x 2.04x 1.69 inch, comfort to grip, and powered by 1 x AA batteries (not included) The car mouse with the blue headlights it is very cool, 2.4GHz digital wireless transmission, operation distance is up to 10 meters The USB receiver is placed in the bottom of the mouse, there have one picture on shows,you can check it, then insert 1 AA battery, you can use it