Aula Killing the Soul 2000dpi 7d Usb Wired Optical Gaming Mouse Black Dual-mode switch system: Game mode & Multi-media mode 7 buttons, including Cursor & Pulley, Left Button, Right Button, Advance, Retreat, DPI Switcher, Fire key. 500-1000Hz Adjustable full FPS design. 800/1200/1600/2000 DPI adjustable. Ergonomically designed, long-term use without fatigue. Precision, comfort and easy to control. Decent and fashionable. Intelligent connectivity, plug-and play.