DELUX M618 Plus Wired Blue Version Optical Mouse Ergonomic Vertical Mouse 1600DPI

1. High-end optical engine, precise positioning.
2. DPI: 600/1000/1600DPI
3. Switch Life: 3 million cycles
4. Button: 4 buttons with scroll wheel
5. Ergonomical design, comfortable touch, long-term use without fatigue
6. Intelligent connectivity, plug and play
7. Built-in PAN3509 chip