

Listen to your heart
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Plug earphones
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Record your ECG
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Get audible feedback
Measure
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ECG in-motion
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QRS, PR, QT, ST
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Pulse - bpm
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Max (safe) HR
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HR recovery
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Resting HR
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HR variability
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RR interval
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Mood detection
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Activity recognition
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Off-body detection
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Caloric burn


ECG technology for earphones
Heart.Zone™ offers continuous ECG monitoring technology for earphones manufacturers. Continuous ECG monitoring does not affect audio performance. User can enjoy music, talk on a microphone and record ECG simultaneously.
Heart.Zone's ECG technology uses pure electrical contacts: 2 in the ears (conductive in-ear inserts) and one on the chest. Sweat, hair, or skin color do not affect the quality of heart's ECG monitoring.
Heart.Zone's continuous ECG monitoring technology is provided to earphones manufacturers in form of an ECG micro-module and API for app developers.
ECG micro-module

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Dimensions: 4.5 x 20 x 3 mm
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Ultra-low power: 300 uWatt
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Supply voltage: 2.5V – 5.5V
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Supply current: < 200 uA
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Source of power:
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3V coin cell
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5V Apple® Lightning®
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5V USB Type-C™
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Heart.Zone's ECG module is engineered for easy integration with most earphone designs. Click here for 3D earphones model with ECG module.
Please consult our support engineers for your earphones design consideration.
API for apps

Haert.Zone™ offers API for mobile apps enabling continuous ECG monitoring and recording.
The API enables an app to receive ECG signal from earphones, process and extract valuable data, display it to the user and store on a phone or a cloud.
Please consult our app developers for more information on app integration.
Patents: WO2017135848, WO2017146616, WO2017200420, WO2021150148, WO2021188018