Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Very convenient but not for long!

I bought the item about a year ago and I loved it. It's very functional and is perfect if you prefer to use a mouse instead of your laptop's pad and you are on the go all the time. What I noticed right away as a possible long run problem, was the thin cord which didn't seem very long lasting. However, that didn't turn out to be the issue. After about six months the scroll suddenly failed. Very weird indeed, but that's what happened, so i had to buy a new one...this time larger. My roommate has the sam one for longer than me and she didn't have any problems although she doesn't use it outside home too much. Anyway, i guess i wasn't lucky enough with mine.