Number of keys:5+1 Number of Programmable Keys: 5 Sensor: Sigma 8925 DPI range:800/1600/2400/3200/10000 DPI Connection: Wired Structure: Hole symmetry type Return rate:125Hz/250 Hz /500 Hz/1000 Hz adjustable Lighting: No Weight & Size Product Weight: 41g Package Contents 1 x Gaming Mice 1 x User Manual