A Logitech best-seller: a high-precision mouse with a scroll wheel and an 800-dpi optical sensor for smooth motion on almost any surface.Here's a mouse that fits comfortably in either hand and delivers 800-dpi optical precision that's twice as fast and accurate as standard optical mice. It glides across almost any surface without a ball or other moving parts, letting you decide where and how you work. And the scroll wheel makes navigating documents easier...   Show More

A Logitech best-seller: a high-precision mouse with a scroll wheel and an 800-dpi optical sensor for smooth motion on almost any surface.Here's a mouse that fits comfortably in either hand and delivers 800-dpi optical precision that's twice as fast and accurate as standard optical mice. It glides across almost any surface without a ball or other moving parts, letting you decide where and how you work. And the scroll wheel makes navigating documents easier and even doubles as a third button.   Show Less