AHAOMG(TM) 2.4GHz USB Wireless Optical 800-1000-1200DPIDPI Gaming Mouse Mice For PC Laptop Adjustable DPI. Ergonomic design, precision and comfort. Intelligent connectivity, no need to match code, plug and play. 2.4G is within ISM timely hopping requirement, successfully avoid the interference problem between different wireless equipments. System Support: Windows ME/ 2000/ XP/ Vista/ 7/ 98/ WIN8