For the vast majority of mobile phone users, if you want to listen to some audiobooks on your mobile phone, the most common way is to use the phone's built-in or universal audio player to open the directory where the audiobooks are located and manually play them one by one in order. Not only is this method inefficient, cumbersome and boring, but also you sometimes forget where you listened to it last time and have to listen to it again, not to mention the management and advanced control of audiobook files.