It also has severe lag at times when typing

No more lag or freeze, mouse worked great... all the issues just vanished

It has a horrible lag/delay while typing

No more lag or freeze, mouse worked great... all the issues just vanished

There is sever lag with the keyboard when typing

We are now at the start of December and for the past 3 or 4 months AT LEAST, there has been a terrible lag in the keyboard

and it is working just as great as it did on the first day.

If they worked as they should, I'd give them 5 stars.

The mouse worked as if it was in a time loop, you'd move it left, it would go halfway across the screen, then jump back to where you started.