The finer the mist, the cooler the… well, we can’t think of anything that rhymes, so we’ll just say “temperature.” The continuous spray from this pair of handheld coolers can reduce the ambient temperature by up to 30 degrees, so they must be very fine indeed.
The 3-ounce reservoir will last you 1-4 hours, depending on how often you use it. And its ingenious patented design is totally human-powered, meaning you won’t have to keep them charged or feed them batteries or any of that foolishness. You’ve got enough to worry about on a hot day.








