hey there
I've purchased a Noppoo Choc Mini 84, brown switches from eBay. It was bought from as far as I know the original and first seller of the keyboards aminglau. I love the keyboards 84 layout, function keys just a step over the numerical keys are a dream come true, but the keyboard comes with huge problems, frequently modifiers doesn't register, and several keys double tap, for example a double taps and ever triple taps 28% (Tried to do A A A AA A A A A A A A AAA 250 times in notepad, and checked percentage) The ctrl and alt modifiers often doesn't register and I need to hold them down around 1 second before pushing the desired command to make them register as well. The keyboard had these problems out the box, but they are not much more prominent and frequent.
I googled the error and found an exact same issue from another user;