HRDQ StressChek Biofeedback Card
No one can resist the HDRQ StressChek Biofeedback Card! Don't underestimate the power and pull of this little card. This stress control card is simple, fun, and something your participants can carry away and use, over and over again.
You know how it works. Simply hold your thumb on the StressChek Card indicator for about 15 seconds, until it changes color. Quantity discounts are available!
Blue - you're calm,
Green - you're normal,
Red - you're tense,
Black - you need a vacation!