G502 X is the latest addition to the legendary G502 lineage. Redesigned to achieve an impressive weight reduction down to 89 grams. Featuring our first-ever LIGHTFORCE hybrid optical-mechanical switches and HERO 25K sub-micron sensors Icon Reinvented G502 X is the latest addition to legendary G502 lineage. Redesigned and reinvented with the most innovative gaming technologies, including our first-ever hybrid optical-mechanical LIGHTFORCE switches. Now, incredible speed and reliability, as well as precise actuation, are one. Lightforce Switches Breakthrough hybrid optical-mechanical switches achieve higher levels of speed and reliability through optical actuation. While mechanical actuation maintains the crisp, tactile feedback that players demand. Hero 25K Sensor Our most advanced gaming sensor achieves sub-micron accuracy with zero smoothing, filtering and acceleration. With superior tracking and smart energy consumption, HERO 25K delivers unrivaled performance, power efficiency and precision. Adjustable DPI-Shift Button We redesigned the DPI-Shift button so you can choose the right configuration for your grip and style. Remove and reverse to bring it closer to your thumb, or replace it with the included blank cover. Weight Reduced Iconic G502 design meets an impressive weight reduction down to 89 grams thanks to thin-wall exoskeleton for minimum material and maximum rigidity, lightened scroll wheel, and more. Dual-Mode Scroll Wheel Spin the lightened wheel freely in hyperfast mode. Switch with a click to ratcheted mode for precise scrolling. Tilt left and right for two additional, fully programmable controls. Make Your Choice G502 X mice are the first in G502 family to come in two colorways : black and white. Choose yours.