Adjustable weight cartridge: Use up to 36 grams of weight to customize your mouse with a heft and balance that's just right for your game. Adjustable sensitivity: Shift from pixel-precise targeting to lightning-fast maneuvers, without pausing the action. The G5 gives you instant access to three sensitivity levels400, 800, and 2000 dpibefore driver installation. 2000 dpi laser engine: Experience the blinding speed and unequaled response of a 6.4 megapixels/second image processor. Full-speed USB: Get blazing speed and instant acceleration from up to 1000 reports/second; bidirectional connection. Right-handed comfort grip: Enjoy a natural grip that won't fatigue you. Polytetrafluoroethylene feet: Forget sticky workaroundsthese low-friction feet glide effortlessly across almost any surface.