"I bought this mouse last time it was on sale. Oh boy, it is worth every penny. 1. I apired it with several laptops - no problem; 2. I use it several hours a day and never turn it off. Just leave it on the desk. Still use original battaries (about 1 year). 3. Used it with a mouse pad and with no mouse pad. I's say it is "surface agnostic". 4. Despite the mouse is small (so you can carry it easily and I have large hands I do not fill "mouse size challenged"