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Quick Stress Test Biofeedback Cards with No Logo (20 Pack)Credit card size, plastic temperature indicator. A liquid crystal square changes color as it is warmed by the finger, indicating Stressed, Tense, Normal or Calm. 20 cards per package. Learn More$32.00 As low as $28.80 -
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Quick Stress Test Biofeedback Cards with custom logo/imprint (500 Pack)Temperature indicator, credit card size in durable plastic. Liquid crystal square turns color as it is warmed by the finger. A color grid on the card compares the crystals color to Stressed, Tense, Normal or Calm. Ideal for referral or promotion. Learn More$590.00 As low as $380.00 -
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Mindfield eSense Muscle - Sensor for iPhone & AndroidThe eSense Muscle can measure and evaluate electromyographic activity and transmit it to a terminal device via Bluetooth. Learn More$1,699.00
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