USB fiash disk for iPhone 3GS, iPhone 4, iPhone 4S, iPod touch (3rd generation), iPod touch (4th generation) and iPad on the iTunes App Store
USB disk is a useful tool which can make your device a flash memory.By this tool,you can easily store the file you need.
You can store file form a computer and save the file to other computer
You can create folder to assort you file.
You can delete a file or a folder.Move files to other folder.