This keyboard is a little light, works flawlessly and is divided with the mouse M325 (after installing the software) now has a USB transmitter. The second transmitter can be stored in the mouse. I have already the 2nd keyboard - mouse - combination (home and the workplace) and am fully satisfied (even though I "KRR - KRR - KRR" of the rotary wheel slightly miss). The keys feel is good for me, even if it leaves the mechanical clattering something missing. I think the soft stop and the somewhat softer pressure point very pleasant. (Yes I am writing with 2 hands and had me years ago, therefore, a specially Marquard Mini Ergo grew by typing with 2 hands having to learn mandatory - One of the most meaningful decisions ... :-)