Core FeaturesQuiet Click Buttons: Delivers a satisfying tactile feel with 90% less click noise compared to the previous model.8K DPI Sensor: The Darkfield high-precision sensor tracks on virtually any surface—including glass—with sensitivity adjustable up to 8,000 DPI.MagSpeed Scrolling: An electromagnetic scroll wheel that can scroll 1,000 lines per second in "Hyper-fast" mode or provide pixel-precise navigation in "Ratchet" mode.