I bought this mouse 1 month ago and I cannot express how impressed i was with the build quality of the mouse. It is small, compact and portable which is great for work on the go. It has now come to be my mouse of preference to be used with my Ipad pro 12.9 inch. Prior to purchasing the mouse, I read up reviews online and read that many people found it to be a bit too small for their liking. Although the mouse is more on the compact size. I do not see why it would affect its functionality at all unless you are playing games with it.