LED DesignThe upgraded version mouse with the LED lights adds more fun to the boring office life. The bottom of the mouse has a switch, you can switch lights freely. Low-key or sparkle, switch in one second, suitable for any occasion. Rechargeable Optical MouseBuilt-in durable rechargeable battery, it can be easily charged using the included USB cable without replacing the battery. Just 2 hours charging, you can use it about 7-15 days. Standby time is very long, energy-saving features, automatic sleep mode and wake-up mode are installed to save energy. Turn off the mouse LED light when not in use to save power. Plug and PlayNo need to install any driver, just plug the USB receiver into your laptop will the mouse start to serve. 2.4GHz wireless technology provides powerful and reliable connection, effective up to 10 meters of range. Advanced optical tracking technology with fast click and responsiveness. 3-Level adjustable DPI (800/1200/1600 DPI)