Major problem is that the space button is super sensitive leaving 2 or 3 spaces when typing, not ideal wqhen working.
The other is the letters are all on the top left of the keys instead of the center, this leads to accidental pressing of nearby keys.....its constant checking of whats being written and becomes tedious

Had this combo for maybe a couple of months and although both the keyboard and mouse do their jobs well, the battery life is appalling. Already needs replacement after such a short time. It'd be better if the keyboard could be switched off while not in use but this is only an option on the mouse.

Other than the power drain, they're both pretty good for the money. The mouse is comfortable to use for long periods and is responsive & accurate enough for CAD work and gameplay. And the keyboard has a decent feel to it with the bonus of a small footprint - useful if desk space is at a premium.

In summary: great functionality but terrible battery life. But you probably got that already, right?