Logitech G9x Black Two modes scroll USB Wired Laser 5700 dpi Gaming Mouse for $51.99

12 megapixels/second Image processing. 30G Max. acceleration. Up to 1000 reports/second USB report rate. 8 million clicks Buttons (Left/Right). Interchangeable grips. Next-generation gaming laser. Onboard memory. You can program up to five profiles (keyboard macros, dpi settings, and LED colors). Weight-tuning system. Custom-color LEDs. On-the-fly adjustable dpi. Polytetrafluoroethylene feet