The item is 2.4GHz optical mouse. It is perfect for use at home, office or on-the-go. Slim design makes it easy to put in your laptop bag or pockets.Pure colors will make your computer look fresh and out-going. Perfectly fit for Notebook, PC, Laptop, Computer, and other device.Compatible with most system including , and (Win10, Win8, , Vista, XP, X). Features - Color: Green. - Material: ABS. - Size: About 11.4 x 6 cm. - 10 Meters Working Distance. 2.4GHz wireless connectivity. - Easy Operation: Comes with a nano receiver inside the back of the mouse. 3 adjustable DPI levels (800-1200-1600 DPI) enables you to control the of the mouse freely. - Classic Design: Handle by both hands based on symmetry design,slim shape and silence click. - How to use your wireless mouse: 1) Insert the USB receiver into the computer USB port. 2) Turn on the power at the reverse side of the mouse. When the mouse appears on the computer screen, move your wireless optical mouse to works. - Special Note: The mouse has noiseless clicks, and its infrared light is not visible. The typical light can not be seen. Note: Battery is not included. Package list: 1 x Optical Mouse(Without Battery)