With iPhone 4 Transfer, you can import video/audio/image files or folders from PC to iPhone directly without iTunes and convert video/audio files and DVD to iPhone 4 supported formats, then directly import it.
Step One: Run the software, and connect your iPhone 4 to your computer via USB cable.
Step Two: Import Music/Video/Image to iPhone:
Take "Music" as example, select it in the left list, then click
to open the convert and import window. Then click
or
to load your source files.

Tips One: If the loaded files are compatible with iPhone 4, you can directly click the "Import" button to import these files to your iPhone.
Tips Two: If the source files you loaded are not compatible with iPhone, you need to convert them before import. Select one of the iPhone format as output and set the parameters. Check "Convert files before importing" option, then click "Import" button at the right bottom. After a short while, the conversion can be finished and the converted files will be upload to your devices automatically.
iPhone 4 to PC with iPhone 4 Transfer
You can backup files from your iPhone 4 to local, such as music, movies and photos. And it can also export iPhone 4 ringtone to PC.
Step One: Run the software, and connect your iPhone4 to your computer via USB cable and then the iPhone 4 icon and its library and playlists will appear in the left Device list.
Step Two: Open the library/playlist that you want to export files, and then check the file(s) you want to export in the file list.
Step Three: Click
to select the destination of the exporting files and start exporting files.
To iTunes with iPhone 4 Transfer
Step One: Run the software, connect your iPhone to PC via USB cable. Then the library and playlists will be shown in the Device list.
Step Two: Open the library or playlist and check the files you want to transfer, click
to transfer them to the iTunes library.
Tip: Click
to use "Track Filter" function to help you quickly browse your library by genre, artist and album.
for windows version
for mac version