Brand new Corsair M75 AIR wireless gaming mouse. Unused in original factory packaging. Ultra-lightweight 60g symmetrical design for fast FPS play. Marksman 26K DPI optical sensor for high precision. Lag-free 2.4GHz Slipstream wireless and Bluetooth connectivity. Optical switches rated for 100 million clicks. Up to 100 hours of battery life on a single charge. Compatible with PC and Mac using iCUE software.