Great Technology & Design, everything went well the first few weeks, but now begin the first key to solve ... and are so complicated attached that a renewed attachment is impossible, unfortunately ... So far had to INS and Ä to believe it, but if it continues like this, the keyboard is unusable ... what is not acceptable for the price Addendum: In the meantime, the "ä" has completely replaced, the keyboard has thus become virtually unusable ... shame about as good concept