The Poseidon E1 Keyboard, Mouse and Headphone Combo - Black provide a life cycle of up to millions keystrokes. Spill Resistant Structure. It designed to drain spills and keep damaging liquids away from vital components. With Flexible DPI Range axing out at 3,200 dpi, it has centered dpi control button that allows you to change the sensitivity of your mouse on the fly. Perfect for snipers, or MMOs where speed is key. C100 keyboard is built with 10 multimedia keys for quick access to basic functions such as web, e-mail, and media. The G98 comes with a 40mm driver unit which delivers vivid treble, clear and smooth alto, and deep rich bass. The POSEIDON E1 features spill resistant structure and up to millions keystroke life span for great durability. The POSEIDON E1 offers the essentials: the adjustable DPI, 10 multimedia controls, and 40 mm drivers.