Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Do not buy this product if you want tech support!

I had the product for a couple of months. It stoppedworking. Then my troubles began.The one time I got through to tech support, the fellow on theother end was clueless and promised someone would return mycall who was a senior tech support guy. Never got a returnphone call.Tried calling back for an RMA number. The telephone numberthey give for getting RMAs was disconnected.I tried tech support twice more, was put on hold, forced to leave a message after 5 or so minutes. Still, never got a call back.In case you have got guessed, I am annoyed. This is not a product which a professional office can depend on.