Emwave stress reducer device review


After reading the book Transforming Anger, I decided to purchase a portable bio feedback device called “emWave”. The writer of the book helped develop this device using studies in HRV (Heart rate variability) and coined what is known as “HeartMath”. Apparently, when we think and recall positive experiences our heart and nervous system sync with each other producing a smooth sine wave output or as they say “good coherence”.

The idea behind the freeze frame technique is to “freeze” a good feeling or experience and to recall this feeling in times of stress, or anxiety.

By doing this, you cause the sympathetic and non sympathetic parts of your nervous system to achieve balance lowering the production of nasty chemicals that damage your heart or increase blood pressure.

I went to the HeartMath website and ordered the portable EmWave machine to provide visual feedback of my heart rate variability. The device works by clipping the heart rate monitor to your ear (or you can put your finger on the red sensor strip) and breathing according to the flashing lights. When good coherence is achieved you see a blue light for good, red light for bad, and green for excellent coherence

emWave Stress Reliever on sale!To achieve this, you have to breathe slowly and most importantly, recall those good feelings you once experienced and draw that energy around your heart area… You can do this without the feedback device but I thought it might be nice to see if I am actually affecting anything.

The blue plastic unit was attractive in  a high tech way and was small  enough to fit in my pants pocket.   The Emwave uses  a built in rechargeable battery and the battery life was never an issue  since I plugged the unit in at night. It came with a CD, carrying case (which I did not use) and an earclip sensor. I found the earclip sensor to be more accurate and easier to use. The finger sensor built into the unit was a little fiddly and worked best when I was very still.

I used the Emwave for about 30 days even at work. I mainly used the ear sensor instead of the red finger sensor.  It seemed to work well especially when I thought about happy events in my life. The lights went from red to blue to green.  It  seemed to help me feel a little more relaxed and happier about life in general… Of course, you can’t expect an electronic device to change your life but I think  reliving good experiences probably helps  condition your mind to react in  calmer, thoughtful ways when you encounter stressful situations.

Essentially this unit is a high tech mood ring that measures heart rate variability and displays the results as colors:

  • A red light indicates low coherence which would be normal.
  • A blue light indicates medium coherence which shows good improvement
  • A green light indicates high coherence the optimal high performance, stress-free state.

I eventually returned the unit because I realized that I could achieve these results myself by simply slowing my breathing and recalling good experiences in my head.  However, if you are not very disciplined or live a busy lifestyle it would probably be a worthwhile purchase.

emWave PSR on sale


All products reviewed on vuvee.com were purchased by me. I have no affiliation and receive no direct compensation by the manufacturers of the products or services reviewed at vuvee.com. However, I do receive affiliate commission through some of the links on this site if an item or services is purchased. All information and materials provided on this web site are for informational and/or educational purposes only. No content is intended to be a substitute for professional medical advice. By visiting this site you are agreeing to the above conditions. The emWave Personal Stress Reliever and the Freeze Framer and the given exercises are intended as tools for stress reduction, individual balance, optimal performance and personal growth. This is not considered a medical device. It has been found to be very safe and helpful when used as intended for educational and entertainment purposes.HeartMath is a registered trademark of the Institute of HeartMath. emWave and emWave PC and Coherence Coach are trademarks of Quantum Intech, Inc. Freeze-Framer is a registered trademark of Quantum Intech, Inc. Quick Coherence is a registered trademark of Doc Childre.Note: These products have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent disease.

1 comment

  1. Great review.

    The emWave technology is now available for the Macintosh.

    See http://www.emwavemac.com for details.

    The emWave technology has four challenge levels. It’s relatively easy for many people to get a green score at the two low challenge levels, but it takes more practice at the two high levels. Experienced meditators have called it a “monkey mind detector” as it’s very sensitive to a loss of focus at the higher challenge levels.


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