A USB flash drive is a quick and easy way to carry your files around with you wherever you go. Some are so small that you can put them on your keychain, so you'll always be sure to have it with you. The best USB flash drives will allow you to transfer files from your computer at the highest rates of speed. It's easy to find these devices in a variety of styles and colors. If you're lucky, you'll be able to find one with the image of your favorite sports team or cartoon character. USB flash drives are handy devices, and very convenient, too.