Dell alienware wired/wireless gaming mouse aw610m, wireless, wired - usb - 4 pin usb type a, optical, 16000 dpi, buttons qty: 7, 40 g maximum acceleration, polling rate: 1000 hz, 400 inches per second, cable length: 2m, auto- calibration, adjustable scrolling wheel, nylon braided cord, 7 programmable buttons, omron technology, 50 million clicks, 5 on-the-fly dpi settings, detachable cable, 16.8 million alienfx lighting, color: dark side of the moon olishop.roa