Square recently released an improved, redesigned card reader. Current Square users will need to request a new one.

How to Use the SD Card Reader on Toshiba Laptop. SD cards offer a convenient way to store and transfer your business's files between your Toshiba laptop and another device, such as a camera, cell ...

Square’s hugely practical card reader can be used on its own or to supplement your static business by allowing the processing of mobile card or contactless payments on the go. Why you can trust ...

How to Use a Phone As a Credit Card Terminal. If you have a smartphone -- be it an iPhone or an Android-powered phone -- you can use a portable card reader to take credit card payments anywhere ...

However, you can use a microSD adapter (these are sometimes included when you purchase a microSD Card) that is effectively a full-sized SD Card to use it with a Mac or card reader.

We reviewed the leading card readers using a detailed process to help you find the 10 best card readers for small businesses.