I have the keyboard are already 1 1/2 years and am very happy with it. -You Is easy to install with the program "Setpoint" -The Keyboard has a long battery life (I had to since the battery is not to change) -The Keyboard is very ergonomic and has a soft padding. -The Special functions which are very handy especially with Windows 8, but also in other operating systems.
I am very pleased with the keyboard it is genuine value for money.