OPTICAL GAMING MOUSE WITH SOFTWARE -Lighting effect type: 13 kinds of RGB lighting -Number of keys: 8 keys -Working voltage: DC 5V, $100 mA -Connection: USB -IC chip: 825 chip -Maximum speed: 60 inch/S -Frame rate: 7000 fps -Rate of return: 125/250/default 500/1000Hz -Maximum acceleration: 20g -Built-in Macro Programming software -1.5m USB black braided cable -High resolution: 1600/2400/3200/4800/7200/12800dpi -Product size(mm): 135x71x41 -Net sweight(g): about 196