There were many brands of reading pens. The specific brand needed to be determined based on the user's experience and reputation. Some of the popular brands of reading pens included BBK, Blue Lake, Foreign Research Institute, and Coolby's Cube. These brands paid attention to the quality, function, appearance design and other aspects of the product during the process of making the point-and-read pen. They could choose the point-and-read pen that suited them according to their personal needs and preferences. It is recommended to understand the different brands and models before buying and then compare them in order to choose the most suitable product for you.