Electronic products that specialize in reading e-books are often called e-book readers or e-book readers. An e-book reader was an electronic device that could read various types of e-books, including novels, essays, poems, etc., through the built-in e-book library. There were many types of e-book readers, including tablets, smart phones, and paper book readers. Tablet computers were one of the most common types of e-book readers. They usually had a large screen and high processing power, suitable for browsing and reading various types of e-books. Smart phones and paper book readers were more suitable for reading novels and other books that required in-depth reading. Some e-book readers also have functions such as wireless connection and Bluetooth reading to make it easier for users to read e-books on other devices, such as connecting to a laptop or other e-book readers via Bluetooth.