Use the Books app to listen to audiobooks on your iPad.
Play on a different device: Tap at the top of the screen. Touch and hold the mini-player, then tap Close Audio Player.
If a Wi-Fi connection to the internet isn’t available, audiobooks play over your carrier’s cellular network, which may result in additional fees. To manage cellular data usage, see Buy books and audiobooks on iPadPlay audio from iPad on HomePod and other wireless speakers