"How can I play Audible audiobooks on Shokz OpenSwim while swimming?" It is noted that the Shokz OpenSwim (formerly Xtrainerz) is popular among athletes for its IP68 waterproof rating and bone-conduction clarity. Yet, as Bluetooth signals can't pass through water, the Shokz OpenSwim or OpenSwim Pro headphones rely entirely on internal storage. In this case, this frustrates Audible users. The downloaded Audible audiobook files are in encrypted AAX format, which can't be played on Shokz OpenSwim or other players.
So, to listen to Audible books on Shokz OpenSwim, you need to convert Audible audiobooks into a DRM-free format that the OpenSwim can read, such as MP3, M4A, etc. In this post, we will show you the detailed steps to make it.

Part 1. How to Convert Audible Audiobooks for Shokz OpenSwim
To convert Audible audiobooks for Shokz OpenSwim, here we would like to introduce a professional and a free tool to you.
These tools should only be used to create personal backups of your legally owned Audible audiobooks for use on your own device.
How to Convert Audible for Shokz OpenSwim Losslessly via AudFree Audible Converter
AudFree Audible Audiobook Converter for Windows/Mac supports to convert Audible audiobooks to common audio files, like MP3, FLAC, WAV, etc. for Shokz OpenSwim while removing DRM lock. It allows you to download audiobooks from Audible within the built-in Audible web player, which is convenient.
Besides, this smart tool supports to split Audible books by chapters into smaller ones for better playback and management. Also, it allows you to customize the output audio parameters, like bit rate, sample rate, audio channel, etc.
Now, let's learn how to use AudFree Audible Converter
- Step 1. Add Audible books to AudFree

- Download and install AudFree Audible Converter for Windows or Mac on your computer. Later, open the program and log in to your Audible account. Next, locate the audiobooks you want to download for listening on Shokz OpenSwim and add them to AudFree tool.
- Step 2. Split Audible audiobooks

- After loading audiobooks, you can tap the 'Split' icon next to the book title to split it by chapter, duration or small segments. Since OpenSwim has no screen, it's not possible to browse a single 10-hour file if you lose your place. So, dividing the book into chapters allows you to more easily jump to the front using the headphone button.
- Step 3. Set output format for Audible on Shokz OpenSwim

- Now, choose a right audio format for Audible audiobooks. On Mac, please tap AudFree Audible Converter from the upper-left corner of your system. On Windows, please click Menu from the top-right corner of AudFree tool. After that, choose Preferences > Conversion. Then you can start to set Audible to MP3, M4A, or other formats that work for Shokz OpenSwim. Besides, you can alter audio channel, bit rate (up to 320kbps), sample rate, etc. for audiobooks. Once done, tap OK.
For audiobooks, the standard 128kbps is usually sufficient, and it also saves 32GB of storage space on OpenSwim Pro.
- Step 4. Download and convert Audible books for Shokz OpenSwim

- At last, find the Convert button from the Converting list window, tap it to start the conversion. Once converted, you can locate the local Audible audiobooks on your computer. Just click Converted > Open Folder on AudFree program to find the files.
How to Convert Audible Audiobooks for Shokz OpenSwim for Free via Libation
AudFree tool is not free totally though it offers a free trial. So, if you want a free tool to convert Audible books for use on Shokz OpenSwim, you can try Libation Audible Converter. It is a free and open-source tool that allows you to convert Audible books to common audio files for use.
Step 1. Download and install Libation on computer from GitHub.
Step 2. Open Libation and log in to your Audible account.
Step 3. Choose the output audio format, bit rate, sample rate and chapters for Audible audiobooks.

Step 4. Now, browse your Audible library within Libation and choose the book you want to download and convert.
Step 5. At last, check the Traffic Light icon to start to convert Audible books for Shokz OpenSwim.
Part 2. How to Play Audible Audiobooks on Shokz OpenSwim
With the tools above, now your Audible audiobooks are ready for playing. You just need to transfer them to your OpenSwim headphones and enable the MP3 Mode on OpenSwim or OpenSwim Pro. Follow the steps below.

Step 1. Connect your OpenSwim headphone to the USB Charging Cradle, then connect the Cradle to your computer.
Step 2. Locate the converted Audible audiobooks in the target folder on your computer, then drag and drop the folder one by one to the OpenSwim hard drive's folder. In this case, OpenSwim will play the file in order.
Step 3. Once transferred, disconnect the USB Charging Cradle from your computer. After that, you are ready to listen to Audible audiobooks on Shokz OpenSwim.
Step 4. Once in the water, press and hold Volume+ and the Multifunction button on the OpenSwim for 2 seconds to skip to the next folder.
Besides, you can press and hold the Mode button to switch to 'Swimming Mode', so you can start listening to Audible audiobooks on Shokz OpenSwim more clearly while swimming.
If you are using OpenSwim Pro, make sure to switch the physical switch to MP3 Mode before entering the water, as Bluetooth will disconnect once your head is submerged.
Part 3. Conclusion
Listening to Audible audiobooks on Shokz OpenSwim is quite different compared to using headphones on land due to Audible's DRM protection. However, by converting Audible audiobooks to DRM-free MP3 files via AudFree Audible Converter or Libation Audible Converter, you can easily put Audible books on Shokz OpenSwim headphones for playback while swimming.
Ivan Scott
Staff Editor




