The Razer Firefly: The Razer Firefly is straightforward enough to drag out of the field and slap on your desk. DPI stands for Dots Per Inch” and it is a time period used to explain how sensitive a specific mouse is. You'll usually see gaming mice nowadays that helps greater than 10,000 DPI. Thought I was getting a pad just like the one in the picture... Cool blue Logitech brand changed by a white