Positives:
I have a message to the customer service of VHBW written stating the defect (including a picture) and got a message with an apology and the promise of a refund the next day. Even a day later the money was in the account.
That was really excellent and uncomplicated and is laudable to mention !!!
A note still product in:
You have to know that you, the smartphone (in my Samsung Galaxy S3 GT-i9300) during charging with this unit can not be used because it then reacts incorrectly. Apparently, in this cable with any of the different voltage or so, because with the original Samsung charging cable I was the phone during charging problem free use ...