The product is of good quality, there is only one minor defect.
initial usage of the new, unique keyboard format was met with puppy-dog joy. I'm concerned that the wrist rest could degrade to an unsightly appearance and that the keyboard would be extremely tough to clean.
Pros
In every way, a very comfortable keyboard. For the convenience of experimenting with the wasd layout, it is not necessary to hold the keyboard at a sharp angle to the screen. Having extra keys for rapid access to the calculator, multimedia, desktops, and customized displays is convenient.
Cons
At certain strokes, the And key and spacebar become stuck. Very audible gap (noticeable in games where jumping is required)