OCZ OCZMSEQRM Laptop Size Equalizer Laser Gaming Mouse 2500 DPI Gamer-Grade Laser Engine/On mouse 6-DPI-Shift (600-800-1200-1600-2000-2500) Implements Agilent 6010 Chip and high-speed 7080 FPS technology/Triple Threat Button - 1 click, 3 shots for a gaming advantage Dual laser engine for enhanced tracking on a wider range of surfaces/Right-handed ergonomic design ncluded Equalware software for complete customization/Comfortable, no-slip grip for intense gaming battles Convenient "back" & "forward" buttons/Thin, flexible wire design feels like using a wireless mouse but without sacrificing latency