Logitech G403 enhances your play with advanced gaming-grade performance in a lightweight, ergonomically designed body. G403 is up to 8x faster than standard mice — which means when the mouse is moved or clicked, the on-screen response is near-instantaneous. Logitech G Mice are equipped with our most advanced optical sensor for superior accuracy, speed, sensitivity and consistency. Designed to fit your hand and style of gameplay with lightweight construction, rubber grips, and a 10 gram removable weight. Customizable with up to 16.8 million brilliant lighting colors and 6 programmable command buttons, G403 also has an onboard memory so you can take your settings with you wherever you go. With G403 , the game gets better and so do you.