High-end optical engine, precise positioning. 6 buttons, including scroll wheel, left button, right button, forward, backward, DPI switcher. Adjustable 1200 / 1600 / 2400 / 3200/5500DPI. Ergonomical design, comfortable touch, long-term use without fatigue. Intelligent connectivity, plug and play. Long switch life up to 10 million times. Total 7 bright colors display in turns, giving you a colorful visual effect. Suitable for high-end players, gaming professional players.