As an iPod file transfer tool, iPod File Transfer for Mac helps you to import audio and video files from your Mac to your iPod/iPhone, such as music and movies. With iPod File Transfer, you can easily copy files between iPod, Mac, iTunes. You can also manage the iPod playlist.
Here take iPod Shuffle for example to show howto:
Step 1: Download and Install the software, and then Run the software, connect your iPod/iPhone to your computer via USB cable. After done, the iPod/iPhone icon and its library and playlists appear in the Device list. Notice that iPod File Transfer finds all the music and videos in your iPod.

Step 2: Creat a new playlist that you want to import files to it.

Step 3: Click the "Mac to iPod" button, and choose the add files, and then press "Open". And you can see the import progress bar. This may take some time depending on the amount of songs and videos you choosed.

Step 4: When the import progress finish, you can get a prompt box. And the add files appear in iPod File Transfer filelist window.

Not only Mac to iPod, it can also support transfering from iPod to Mac, iPod to iPod, iPod to iTunes, iPod to iTunes, iTunes to iPod etc.
