Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Can't believe how bad it worked

I'll start out by saying that I purchased this unit because I heard such great things about it, it received very high ratings, and my friend owned one and was relatively happy with it. I say that because it may just be my phone. I have a Treo 700p and it was awful with it. If the phone was six inches away from the unit, it only had a little static and a low grade hum. If I had it by my side (approximately three feet away), there was so much static that the person could no longer hear me. I have since used other Bluetooth headsets that my friends owned to see if it was my phone. They sounded fine. The one thing I do give this headset is that it fit great in my ear. Too bad it doesn't work.