Gigabyte AORUS M4 Optical Gaming Mouse USB Wired 6400 dpi 1000Hz 98g 3D Scroll 50 million click Matte Black RGB Fusion2.0 On-the-fly DPI Adjustment Ambidextrous design Real 6400 DPI optical engine with 50dpi increment 50-million-click Omron switch RGB Fusion 2.0 - synchronize with other AORUS devices Fully programmable buttons and saved onboard On-the-fly DPI adjustment Interface USB Tracking System Gaming Optical Sensor (Pixart 3988) Sensitivity 50~6400dpi with 50dpi increments (Default: 400/800/1600/3200dpi) Report Rate 125/ 500/ 1000Hz Scrolling Standard Maximum Acceleration 50G Maximum Tracking Speed 200 inches/ second DPI Switch YES Switch Life (L/R click) 50 million times Color Matte Black Cable Length 1.8m matte black PVC cable Dimension 122.4(L)*66.26(W)*40.05(H) mm Weight 98g +- 5% Packing Content Users Manual Certificate CE/ FCC/ BSMI/KCC