Newest 2.4GHz E-sport Blue LED Wireless Optical Gaming Game Mouse 2500 DPI 100% brand new and high quality Original, Work: Optical interface type, USB Key number: 5+1(scroll wheel) Optical Resolution: 2500DPI, Ergonomics: Supports, Mouse LED: Blue LED Light, System clock: 250HZ Frame rate: 3000 frames / sec, Maximum acceleration: 20G, Ultra-precise Scroll Wheel, Customize DPI Switch: 500/1000/1800/2500dpi Ultra-quite and Low-friction, Resoulution adjustable in driverless-free drive, Optical technology works on most surfaces, Special Edition for Gaming,built-in weight, Intelligent connectivity. no need to code, plug & play This item does NOT include batteries and we repack it with neutral package!! If you mind, please do not buy.