Your favorite high-performance gaming mouse delivers more accurate features than ever before. Customize RGB lighting to suit your style and environment, or sync with other products Logitech G . The high-performance G502 gaming mouse features our next-generation HERO 16K optical sensor for maximum tracking accuracy. Whatever your gaming style, it's easy to tailor the G502 SE HERO to your gaming needs with adjustable sensitivity between 200 and 16,000 PPP* and an adjustable system of five 3.6g weights to achieve the exact balance and effects you want for your mouse. If the mouse does not work - Unplug and reconnect the USB cable to ensure a good connection - Try the mouse USB cable in another USB port on the computer - Use only a powered USB port - Try restarting the computer - If possible, test the mouse on another computer