High-end optical engine, precise positioning.. 4 buttons, including scroll wheel, left button, right button, DPI. Adjustable 800/1200 / 1600DPI.. Ergonomical design, comfortable touch, long-term use without fatigue.. Intelligent connectivity, plug and play.. Long switch life up to 5 million.. Total 7 bright colors showing in turns, giving you a colorful visual effect.. Suitable for high-end players, gaming professional players.