Cool Stylish Design: Mouse with stylish design can be used to provide good support and gaming experience. It is domineering when Gaming match. The Nano receiver can be stored in the back of the Ergonomic Wireless MouseUSB receiver hidden in the battery compartment Resolution Optical: 800/1200/1600 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. Ergonomic Design: The perfect ergonomic contours design provide all day comfortable even after long hours using. Also the led blue light can be switched ON/OFF by the switch button at the bottom which can bring you cool feeling. Compatible Platform: For Windows 7, 8, 8.1,10 and Linux. Works for Notebook, Chromebook, PC, Laptop, Computer. (Battery NOT included) Reliable quality & worry-free warranty: Quality materials and advanced optical sensors, reliable quality; Fitzladd promises to provide you with a one-year free warranty. I