Pbp 3 Serial Killers. Imac from apple does not have built in USB ports so the only way you can transfer audio files from your device to a USB flash memory is through Bluetooth. Download a Bluetooth driver on your imac and use it to transfer your audio files to a different computer which must also support Bluetooth options.After that you can transfer the audio files to you USB flash memory from the computer. Another way is to upload your audio files from Itunes to File Storage Websites like Icloud and Skydrive.After you have successfully uploaded all the files.Download the files unto a different computer and transfer the files to you USB flash memory and you can now play it on your car stereo. Leader Board Leading Today Pts Helpful 1. Torrent Onone Perfect Photo Suite 8 Free. 200 97% Leading this Week Pts Helpful 1.