Manufacturer: Ideazon-Zboard. This gaming mouse comes equipped with a 3200 DPI maximum Laser Sensor for precision, speed and accuracy. The Reaper Edge features Full Speed USB Interface with 1ms response time, a maximum speed of 45ips and 20g Acceleration.? The sleek ergonomic design, upper and lower side thumb buttons, rubberized anti-slip grip and tire-traction rubber scroll wheel provides comfort for hours of non-stop action. The on-the fly DPI switching allows you to change between the 5 distinctive sensitivities while in the midst of action.? The Edge Mouse has independant X and Y axis calibration and comes with multi-profile management software so you can customize the 5 programmable buttons.