VicTsing 2.4G Wireless Gaming Mouse Mice for Laptop Computer Macbook Gamers, 7 Button, 5 Adjustable DPI (4800, 2000, 1600, 1200, 800) There are two side keys on the mouse, it is default for backward and forward function. Two side buttons can be set for different functions after installing software. With 2 DPI buttons, it is easily for you to switch among 5 DPI (4800/2000/1600/1200/800) and flashing light will indicate you which mode you are. This wireless gaming mouse helps you to control the speed and sensitivity of mouse more freely. 15-Month Long Battery Life and Auto Energy-saving Sleeping Mode. Up to 15 months of battery life virtually eliminates the need to change batteries. Battery life may vary based on user and computer conditions. The Auto Switch Off function will help you save energy as your Wireless Mouse will switch off when your PC is turned off or the receiver is disconnected. 15M/50ft Long Working Distance and High Precision. 2.4 G Wireless Transmission Technology Privide the fast data transmission and 15M Long Distance Signal. This gaming mouse is compatible for Windows, Mac and Linux: Reliable wireless connection with Nano-receiver that can stay in your laptop. Suitable for your computer, laptop, PC, notebook, macbook