There were many common tools that could be used to listen to books, including: 1. Online readers: For example, Google Book, Amazon, and Netease Cloud Reading can download e-books and play them for people who like to read e-books. 2. Mobile applications: For example, audio books, e-books, etc. These applications can convert e-books into audio books and play them. They are suitable for people who need to read paper books on the road or are inconvenient to read. 3. Online radio platforms such as Himalayan PM and Dragonfly PM: These platforms provide a wealth of audio reading resources that can be listened to online. Speaker: If you have a computer or mobile phone, you can also use the speaker to listen to books. Of course, there were many ways to listen to books. The way that suited one depended on one's personal preferences and needs.