This keyboard is Logitech has done no favors. The key shape, just square is more than inconvenient. A glide from key to key, making it completely impossible. A pressure point is virtually non-existent, but it takes almost forever until the keys back to the rest position zurückkehrent. As described here you always have the impression that remain the keys hanging ... maybe they really do that too !? Normally, you would have had to dismiss the head of development at Logitech for. For gamers, frequent and rapid prediction this keyboard is an absolute taboo.