Improve your skills with the Xtreme Gaming XG-700 Wired Keyboard & Mouse, offering a practical 19-anti ghosting key design for your playing advantage. This easy-to-use corded keyboard and mouse comes with an Avago 5050 optical sensor, switchable DPI and Polling rates for high precision and quick response times, and an 8-piece weight tuning set. To enhance your gaming experience, choose one of seven amazing LED backlight colour options. Keyboard Features Connection Type: Corded USB Backlit Buttons: Yes Required Operating System: Windows XP/Vista/7/8 Mouse Features Connection Type: Corded USB Sensor Type: Optical Number Of Buttons: 6 Hand Orientation: Right Scroll Wheel: Yes DPI Range: 500-1750