Polar H10 Heart Rate Sensor, ECG and 400 Hour Battery Life symptom__condoms The easy side-fill design requires

The easy side-fill design requires only a small drop of blood

Closed System: Designed with a closed system to prevent backflow

2 mg or 4 mg

Comes with two silicone nose tip sizes to fit newborn noses and toddler sniffers

Polar H10 Heart Rate Sensor, ECG and 400 Hour Battery Life symptom__condoms The easy side-fill design requiresThe Gold Standard of Heart Rate Measurement When it comes to accuracy and connectivity, Polar H10 heart rate sensor is the go to choice. Monitor your heart rate with maximum precision and connect your heart rate to a great variety of training devices with Bluetooth and ANT+. Why Consumers Choose the H10 Accuracy ECG based electrical measurement, the same gold standard used in medical settings Reputation The benchmark device for heart rate validation