DELUX M618 Plus 2.4G 1600DPI Wireless Portable Vertical Ergonomic Mouse

1. No need any driver, plug and play directly 2. The vertical design provides better support for your forearm, minimizing wrist pain. You will remain comfortable even after long hours of clicking, tracking, and scrolling 3. Built-in PAN3509 chip 4. DPI: 800/1000/1600DPI 5. Battery: 1 x AA Battery (Not included)