HeartMath® Technology – Inner Balance™ Bluetooth® sensor
for Android and iPhone.

Live Life With Heart

This biometric wellness technology responds to your emotional state to help you improve overall wellbeing, health, and happiness.

Using the Inner Balance™ technology trains you to release stress-producing thoughts and emotions – then real-time heart rhythm coherence feedback confirms the positive lift you feel. Instead of waiting for outer circumstances to change, the Inner Balance trainer helps you learn to create positive change from the inside out.

InnerBalanceBTLE from HeartMath on Vimeo.

What is Inner Balance?

The Inner Balance app and sensor transforms lives by providing real-time monitoring.

  • Patented scientifically-validated system uniquely measures Heart Rate Variability (HRV)
  • Simple technology for iOS includes an infrared sensor connected to your iPhone
  • Sensor clips to your earlobe and takes a pulse reading
  • For Android phones: Bluetooth clips to clothing and syncs with the app
  • May also be used with Tablets


Experience the Benefits


  • Release and prevent overwhelm
  • Shift stress-producing emotional states
  • Experience inner stillness
  • Enhance mental clarity
  • Access intuition for making better choices
  • Improve performance
  • Increase energy and resilience
  • Sleep better


The Science Behind Inner Balance

The Inner Balance technology analyzes and displays our heart rhythm, measured by Heart Rate Variability (HRV), which indicates how emotional states are affecting our nervous system. HRV offers a unique window into the quality of communication between the heart and brain, which directly impacts how we feel and perform.

The Inner Balance technology trains us to self-generate a highly efficient physiological state called HRV coherence, which helps us increase emotional composure and clearer reasoning. Recommended by health professionals worldwide, HRV coherence training has been associated with many health and performance benefits. A few minutes of daily coherence practice has been shown to reduce and prevent the negative effects of stress, such as overwhelm, fatigue and exhaustion, sleep disruption, anxiety, and burnout. Research has shown that your success is determined by practice, and practice is enhanced with daily use of the technology that shows visually when you are reducing your stress and building resilience.

HeartMath has been a pioneer in HRV research and self-regulation training for over 25 years. Over 250 independent peer-reviewed studies have been published on HeartMath technologies and methodologies.



Inner Balance Bluetooth uses BT4.0 (BLE–Bluetooth Low energy) which works at an output power range of 0.5 milliwatts (mW) or less — this is significantly lower than mobile phones which typically have output levels between 250 mW and 2000 mW. The tiny Bluetooth emitter is in the module that attaches to your garment, not in the ear sensor. Inner Balance Bluetooth is compliant with applicable FCC tests.

Requires Bluetooth 4.0 or higher

This product is designed for use with Android v5 and newer

This product is designed for use on Apple iOS v9 and newer

PACKAGING: Box Size 5-1/2 x 7 x 1-1/2 inch, (139.7 x 177.8 x 38 mm)
Box Weight 5.1 oz (144.6g)


Sensor Weight .9 oz (25.5g)

Ear Clip Size

1-5/8 x 3/4 x 5/8 inch (41.3 x 19 x 15.9 mm)

Cable Length 14 in (35.6cm)

Pod Size 2-5/8 x 1-1/4 inch

Learn more about Inner Balance


HeartMath® Testimonials:

“I, my staff, and my family use the Inner Balance. Many people do not know how to intentionally create the emotional states they want. The Inner Balance Trainer is ideal for easily and effortlessly accomplishing this.”

Jack Canfield, co-creator of the Chicken Soup for the Soul® series, co-author of The Success Principles™

“In my practice, many patients have been meditating for years but still have abnormal nervous system and adrenal function. Once they add in the Inner Balance technology with coherence techniques, things shift. Coherence practice makes meditation easier. The heart rhythm feedback helps people be more efficient; even I will find myself drifting unless I’m monitoring my heart rhythms!”

Wendy Warner, MD, American Board of Integrative Holistic Medicine.

“As a former Navy SEAL, I work with elite performers including NFL teams, Fortune 500 execs and Navy Seals using the Inner Balance. They learn to self-regulate their emotions, resulting in significant performance improvements.”

Curt Cronin, former CDR (SEAL), HeartMath® Certified Trainer

“The Inner Balance technology can take people quickly to where they try to get to through years of meditation.”

John Gray, author Men are from Mars, Women are from Venus

HeartMath is a registered trademark of Quantum Intech, Inc. (dba HeartMath, Inc.).
For all HeartMath trademarks go to www.heartmath.com/trademarks