Transfer files between iPhone 4 and Mac, backup iPhone 4 SMS and contacts.
Transfer iPhone 4 file to Mac, to iTunes, backup iPhone 4 SMS and contacts.
Copy/backup/sync all your music/movie/photo/ringtone on iPhone 4/iPod to Mac.
Copy songs/videos/photos and many other media files from iPhone 4 to Mac.
transfer all the files from iphone 4 to mac local disk without losing anything.
transfer music, movies, camera roll, picture, and ringtone from iphone 4 to mac.