They're designed to fit easily into the pocket of a backpack or laptop bag. Travel mice (or 'mobile mice') offer many of these same features but come in a smaller size. Aside from the inevitable right and left mouse buttons, the usual features are a clickable scroll wheel and, in some cases, additional thumb buttons that let you navigate forward and back in your web browser. The most common of these is the mainstream desktop mouse, designed for use with a desktop or laptop PC at a desk or table. Over time, distinct classes of mice have evolved, each made for different computing situations. You need to know a little about the landscape when you go shopping for a new model. But while a mouse is simple in concept, the market for them is a scattered field of mouse genres, prices, and designs. In its most basic form, a computer mouse is simple hardware-a sensor on the bottom, two buttons and a scroll wheel on top-that lets you interact with programs as though they were extensions of your own hand. Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. How to Set Up Two-Factor Authentication.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.

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