This is the easiest way to transfer files between iDevices
1)No network available. such as on the airplane, in a basement or simply out of signal.
2)There is no Mac / PC around.
25.9 x 9.0 x 52.46 mm
iOS 6.0 / Windows XP / Windows 7 / Windows 8 / OS X
4GB / 8GB / 16GB / 32GB / 64GB
Download free App "i-FlashDrive HD" from AppStore
10MB/s at USB, 2.5MB/s at iPad 2, 1.5MB/s at iPhone 4
(due to limitation by Apple's transfer protocol, the drive cannot perform as its normal speed 10MB/s)