Instruct: Classify a given review into positive or negative sentiment.
Query: Great headphones

My husband and I have had one of these for two years, and have loved it. Thoughtlessly, we thought it had died, so purchased a second one. As it turned out, the battery had died, so all we had to do was change the battery and wouldn't have needed one, but now we have one for each of us! No regrets. The dial on the side of the earpiece lets us now tune in either of two televisions sets we may have running simultaneously (news and a football game, maybe?) It also has clear tone while we're outside. It's perfect for us.