Instruct: Classify the given review as either positive or negative.
Query: No problems with the scroll ball, I love it

I do not own this mouser personally, yet. However, I use one every single day at school. The scroll ball never jams or stalls. It works perfectly.I simply do not see what is the complaint with it. These mice are used in a public computer lab for hours upon hours every day, but even they keyboards fare worse than the mighty mouse. The scroll is natural and effortless. These are well over a year old and they do not give us any trouble.The reason I only gave it 4 stars (though 4.5 is more accurate) is that the squeeze is a bit stiff generally, and the right click is somewhat awkward as you cannot have your finger resting on the left side as you click. It's easy enough to adjust to however.