1.Domineering Shape: Ergonomically designed for a comfortable grip for long-term use. 2.Unique Design Style. 3.D Anti-slip Roller: 3D rubber roller, professional manufacturing feel more comfortable. 4.Four-speed DPI: 200-4800 DPI. 5.Convenient Side Button: Multi-function side button, default “forward/backward” Convenient for you to switch between different directories.
