Wired Gaming Mouse 7 Button Backlit 5500 DPI Adjustable Optical Mice for PC GamerDoes not support any app that can be used to change mouse key positions Specification: Product color: black Product weight: 105g Photoelectric resolution: 5500 DPI (4 levels adjustable) Connection method: wired (USB connector) Number of buttons: 7 Working method: photoelectric Cable length: about 1.35m/53" Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.  1 X Mouse