I havent had any particular issues with the mechanical part of the keyboard. I like that it is lightweight and stores compactly. He looked it over and how firmly they were attached and said "this is what I have been looking for forever! I dont know what happened, because my last pair was fantastic. Handling noise on par with the price. Took about an hour to put together . I struggled a little to get the pieces to snap together properly but once it was assembled, it works well. Some are similar to standard PC but many are not. Happily, these dont disappoint. And it came without instructions