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Review title: Worthless
Product review: This is a worthless device. I'm taking care of my sisters little dog. I think it's a yorkie. It's a few years old with a major barking problem. Whenever she's alone she barks constantly and that's a problem when I'm at work for twelve hours. This just doesn't work at all I can't even tell if she notices it going off. I notice it, I can actually feel it in my ear and that stinks. Don't buy this, save yourself some money.
