Features: Powerful optical gaming engine provides accurate click and quick response. 4-gear adjustable DPI(1000/1600/3200/8000DPI), easy to switch, suitable for office and game. Colorful lighting effects, bringing immersive gaming experience. Ergonomic design, the mouse curve fits your palm, comfortable grip, not easy to fatigue. 8-key macro programming design, support recording and writing macro definition commands, also support macro file quick import/export. Specification: Brand: HXSJ Model: X200 Key number: 8 programmable keys DPI level: 1000/1600/3200/8000DPI Return rate: 125Hz Moving speed: 32inch/s Refresh rate: 4000FPS Acceleration: 12G Switch life: 20 million cycle System requirement: Windows 2000/XP/Win7/Win8/Win10/Vista 32bit/Mac OS or latest Cable length: About 1.7m Rated voltage/current: DC 5V/180mA Item size: 12.5 * 7.3 * 4.1cm /4.92 * 2.87 * 1.61in Item weight: Approx. 148.2g /5.23oz Packing list: 1 * Mouse 1 * User manual