Icon reinvented: From the legacy of Logitech's most popular G502 design, G502 X LIGHTSPEED wireless gaming mouse is reimagined and redesigned with the latest innovations in gaming technology LIGHTFORCE switches: All-new hybrid optical-mechanical switch technology for incredible speed and reliability, as well as precise actuation with crisp response, for hours of performance gaming LIGHTSPEED wireless: This wireless mouse features pro-grade connectivity, with an updated protocol achieving a 68 percent faster response rate than the previous generation and improved reliability HERO 25K gaming sensor: Incredibly precise down to the sub-micron for high-precision accuracy with zero smoothing/filtering/acceleration for high gaming performance every time on the computer Redesigned DPI-shift button: This cordless optical gaming mouse features a reversible and removable DPI-shift button for precise customization depending on your grip and preference