Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Should have lasted longer!

Pro: Good sound. They blocked out train noise wellCons:1. Even with the smallest size, the earbuds were always just a little too big, had to keep securing them back in my ear.2. I know that if companies made products that lasted forever they wouldn't make as much money, but they only lasted a year. 1st the left one went, then a week later the right one was done.