The SanDisk iXpand Flash Drive is a must-have accessory for those with a newer iPhone or iPad.
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