It's obvious to say that Kingston's microDuo flash drive is not going to be breaking any USB transfer speeds any time soon, but when we look at the wider picture and the market that this drive is aimed at, performance is not really that important.
USB-OTG connectivity; Inexpensive to buy; 5 year warranty; Quick and easy way to copy files between desktop and mobile systems
A cord or loop would be a huge benefit for attaching to a set of keys; Older USB2.0 speeds