This is a Bluetooth Sensor that helps you access a healthy and high-performance state called heart coherence, where your heart and brain are in sync — this helps you prevent or reduce stress, anxiety, and overwhelm, improve health and performance, and clear your thinking for more effective choices. Use real-time heart rhythm coherence biofeedback and evidence-based techniques to live a more emotionally regulated, healthier life.  
 
When you buy the sensor you have free lifetime access to the HeartMath app. 
 
Use Coupon Code COHERENCE for 10% off your order at checkout.