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Title: Lukewarm!
Review: This item fails to reach the maximum temperature of 150 degrees! The batteries get hotter than the case! I bought two of these products and even tried new batteries--Duracell--on both and nothing happened!Great concept, but should work as promised! My hands are like popcicles, and require more heat than these put out. So, if you're an outdoors enthusiast, stick with disposable or reusable handwarmers.
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