Single guys ought to make the Halitosis Detector a part of their ‘dating’ arsenal, since you can’t really tell on your own if you have a breath bad enough to kill plants. This nifty little device comes with built-in sensors that are capable of rating your breath in four stages, ranging from really good to brimstone and sulfur status from the deepest abyss. As it costs $11, that’s a small price to pay considering your breath might make or break your future the hot date whom you’ll be going out with tonight for dinner.

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