The more one more to the stick copied the higher the error rate seems to be (but only have 4GB and has already problems).
While working with the stick are suddenly files can only be read until you eject the drive and integrates again.
The speed also seems to vary.
Sometimes one thing is quite fast - sometimes it takes a long time.
Although it is the largest USB stick which I had - but also the most annoying.
Again I would not buy it to me and instead perhaps a few euros drauflegen to take a higher quality.
Visually appealing, the USB stick is perfectly fine.