With Logitech's SetPoint software, you can customize your G3 Laser Mouse with game detection and in-game adjustable sensitivity (including independent x- and y-axis settings). Full-speed USB at 500 reports/second, for precision at any speed. 2000 dpi gaming-grade laser engine; the highest-performance laser sensor for lightning-fast moves.* * Requires download of Logitech SetPoint software at www.logitech.com/setpoint. Built for long gaming sessions, with its ultra-light design and DryGrip surface. Precise, fingertip control design; compact, ambidextrous design for quick wrist movements. Sensitivity switching on-the-fly; one-button instant switching between two sensitivity levels 800 dpi and 1600 dpi before driver installation. Polytetrafluoroethylene gaming feet; low-friction feet for a super-smooth glide. ESRB Rating: Not Applicable