Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Good product

I use this headset with my blackberry when I am working. It is pretty good. The only reason I did not give it 5 stars is because a couple have people have told me that "it sounds like I am on speaker phone or far away" when I am talking to them. It's not too bad but it's enough to notice. For the low cost, it is definitely a worthwile purchase.