The keyboard works as opposed to my previous keyboard ACK 715EL of Keysonic not outstanding low but still enough and has a solid work and feel. Unfortunately, it is also significantly higher than my previous keyboard - I actually prefer ultra-flat keyboard. The clear blue lights is very pleasant for work and play in a darkened room. Only the layout of some keys is quite disturbing. The Delete key is very far upper right of the main keypad, or very far far right (numpad). For fast typing and correcting a hindrance. On top of that: I may be sensitive, but when the light body in the keyboard, I mean to feel it vibrate electrically under my fingers.