SteelSeries Sensei Laser Gaming Mouse [RAW] (Rubberized Black) (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty CPI toggle for on-the-fly high/low sensitivity adjustments Scalable pointer speed from 90 up to 5670 in increments of 90 so you can be exact Light up your wheel, CPI indicator or SteelSeries logo. Or turn it all off Improved durability and tangle-free via the double braided nylon cord