The Gamdias Apollo Extension GMS5101 Gaming Optical Mouse is a blend of design, speed, and precision great for enthusiasts and hardcore gamers. The up to 3200 DPI optical sensor with five sensitivity settings allows fast and precise tracking whether in gaming, web surfing, or word processing. Store and easily switch between five profiles with the 64KB onboard memory. Double tap your opponents with an exclusive consecutive attack key. The Apollo is perfectly designed for palm-, claw-, and fingertip-grip users. And with up to a 10 million click lifecycle, luminance lighting control, and a military grade USB cable, the Apollo ensures a great experience in your everyday tasks.