3D optical mouse DM7000 with wire 1.High-end optical engine, precise position 2.Resolution up ... to 3200 DPI 3D optical mouse DM7000 with wire 1. Keys : 7 (including left, middle, right, DPI+, DPI-, forward ... keys to adjust: 400-1200-2000-3200, different colors LED light when shift 6. Can create, log in , save, write the ... block weight: 16.5±2g 3D optical mouse DM7000 with wire