2.4Ghz Wireless : Enjoy the freedom of wireless connectivity with this mouse, which operates on the 2.4Ghz frequency. USB Receiver : The included USB receiver ensures a stable and reliable connection between the mouse and your computer. Compatible with Multiple Operating Systems : This mouse is compatible with Windows 7/2000/XP/Vista/98, making it a versatile option for a variety of users. Gamer-Optimized : Designed for gaming, this mouse offers precise and accurate tracking to help you dominate your opponents. 2.4GHz wireless mouse gamer for computer PC gaming mouse with USB receiver laptop accessories for Windows Win 7/2000/XP/Vista/98 System requirement: 1.use with Windows 2000/XP/Vista/Linux/Win 7/MAC operation system 2.One USB available port. Feature: 1.built-in mouse memory,no recoding is needed after battery replacement. 2. Optical positioning, positioning is more accurate. 3.Intelligent Power-saving technology,the service life of one alkaline battery is up to six months 4.Intelligent connectivity,no need to code,plug-and-play. 5.Ergonomically designed,comfort grip. 6.Dormant class control and more power-saving hibernation connectionless. 7.800dpi/1200dpi cursor speed adjustable. 8.Shortcut button can be used to browse the Internet or applications, easily on the toolbar "forward" and "backward" function 9.Power swith,in the case of not using power off completely. Cautions: 1.Operation distance is closely related to the environment. 2.Battery life may be different for personal habit of using mouse. 3.In case of mouse failure,please check battery power and replace it as necessary 4.The mouse will shut off automatically and enter sleeping mode for saving power when it's not used for a long time.To wake it up,press the right or left button. 5.Never waste the battery and will it in fire.Put battery into battery recycle bin.