Useful for tablets and mobiles without Micro SD Card. Neat and small and no need for an OTG cable.
Also vailable in 65GB for £23.78 (Standard Packaging):
The simplest way to transfer content between phones, tablets, PC and MAC Computers
Bypass network data caps, large email attachments and cloud storage fees
Ideal for freeing up space on your device for more pictures and videos
An external storage with both full-sized and micro-USB interfaces
Automated backup /restore