Easy installation. No drivers required - just plug in and get started. Life can be that simple. High-resolution 1600 DPI technology. You benefit from responsive, smooth pointer control with an optical tracking engine at 1600 DPI. Non-slip scroll wheel. The up and down scrolling function greatly simplifies your daily tasks as well as browsing the internet. The grid scroll wheel allows for error-free fast scrolling. Full-size ambidextrous design. Fits both hands. The full-size shape allows for hours of use without fatigue. Main features: Mouse, purpose: Office, motion detection technology: Optical, scroll type: Wheel, number of buttons: 2, button type: Pressed buttons, motion resolution: 1600 DPI, number of scroll wheels: 1, scroll directions: Vertical, design: Form factor: Ambidextrous, product color: White, surface coloring: Illustration, performance: Power source: Wired, packaging data: Quantity: 1.