Logitech G502 X Lightforce Hero 25600 DPI Optical Wired USB Gaming MouseG502 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 sensor. 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. Our most