Required Equipment: H2O Audio Device Supplied USB Data and Charging Cable Computer or Laptop Ensure that the audio files you intend to download are in one of the supported formats and are free from any digital rights management (DRM) protection. Supported Audio Formats, (MP3, M4A, WMA, FLAC. APE). 1. Connect Your Device: Use the USB cable provided with your H2O Audio device to connect it to your computer or laptop. Ensure a secure connection to enable file transfer. 2. Device Recognition: Upon successful connection, your computer should automatically detect the device and display it as an external drive. If the device does not appear automatically, manually check your computer's file manager (for PC users) or Finder (for Mac users). 3. Troubleshooting Connection Issues: If the device is not recognized, verify the connection and try reconnecting. Ensure the cable is properly plugged into both the device and the computer. 4. Locate Music Files: Find the music files you wish to transfer on your computer. These could be in your iTunes library or any other folder where you store audio files. 5. Transfer Music Files: Select the desired audio files and either drag and drop them into your device's folder or copy and paste them directly. Wait for the transfer to complete before disconnecting the device. Ensure all files are fully copied to avoid data loss. 6. Managing Device Content: To remove files from your device, navigate to the device folder, select the unwanted files, and either right-click to delete or drag them to the trash. 7. Safely Disconnecting the Device: Before disconnecting the USB cable, ensure you safely eject the device from your computer to prevent data corruption. 8. Listening to Music: Power on your H2O Audio device, switch to memory mode, and enjoy your music underwater without interruptions. For optimal performance, regularly update your device firmware and check for new supported formats or features. Enjoy your underwater audio experience with H2O Audio!