The idea behind the SanDisk iXpand Flash drive is simple. Essentially a USB thumb drive that's equipped with a Lightning connector, it's all you need for an excellent storage expansion for your iPad (or iPhone).
The SanDisk iXpand Flash Drive instantly adds up to 128GB of storage space and it can work as a USB thumbdrive; Its iXpand Sync mobile app works very well both for media playback and content backup
The drive can't hold files larger than 4GB and only supports USB 2.0