Try Tipard iPhone
With Tipard iPhone Transfer, you can transfer music/movies/images from iPhone to computer including MP4, M4V, MP3, WMV, M4A, M4B, M4P with great ease.
It has powerful functions:
* Backup files from iPhone to computer
* Transfer files from PC to iPhone, iPhone 3G/3GS, iPhone 4
* Convert video to iPod/iPhone/iPad
It will meet what you need.
Hope this can help