Side-to-side scrolling Plus zoom lets you instantly zoom in or out and scroll. Suitable for working with spreadsheets and presentations. This logitech wired mouse works well as a computer mouse. This mouse is built by logitech-the mouse experts. It comes with the quality and design we've built into more than a billion mice, more than any other manufacturer. Use as a wired mouse for laptop or mouse usb. With 800 DPI sensitivity, this computer mouse wired offers precise cursor control so you can edit documents and navigate the web more efficiently. A comfortable, ambidextrous shape feels good in either hand, so you feel more comfortable as you work-even at the end of the day. Suitable as a pc mouse or laptop mouse. Zero setup with flexible connectivity means you just plug this logitech mouse into your USB or PS/2 port-it works right out of the box. Scrolling: Line-by-line scrolling
Scroll Wheel: Yes, optical.