L8STAR R11 ECG+PPG Smartwatch Buying Link (AliExpress):
(enter the following password to get discount: @L8starOffi00012 )

This R11 smartwatch has been provided by L8STAR for review. Many thanks to our viewers for making this YouTube site popular and to L8STAR for their support. If you are interested in purchasing this R11 smartwatch, please use the link listed above. It will help us receive more watches to review for you in the future. Thanks!

Tethering app:
WearHeart –
See an extensive review of the WearHeart tethering app including a feature update that enhances the report for Heart Rate Variability (HRV):

Finally an ECG+PPG band with a nice, large, easy to read display. The R11 brings the true ECG signal monitoring to a fitness band with some refinements to clean up the heart wave tracking for better analysis. You get both PPG calculated heart rate measured periodically for continuous monitoring, and detailed heart rate, blood pressure, fatigue monitoring and 30 second heart wave generation from measurements initiated either from the band itself or activated from within the tethered phone app. When triggered from the app, you can watch your separate ECG and PPG waves live on your phone, record them, convert them to PDF charts, and export them via email or social media. Tremendous capability for such a small and light weight wearable.

More ECG+PPG Wearables:

Reference documents supporting this video:

Pulse Wave Transit Time and Its Relationship with Systolic Blood Pressure

Mobile cardiac health monitoring
Patent Application WO 2014042845 A1

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Important Notices for Heart Monitoring Devices –
BIOMETRIC MEASUREMENT WARNING: This device claims to produce and evaluate heart wave ECG data. The accuracy of the readings HAVE NOT BEEN VERIFIED and MAY NOT BE ACCURATE. As such, you are advised to proceed with caution and to *NOT* rely upon readings from this or any similar devices for making decisions regarding your medical condition or health. Fitness/Health watches/bands offering biometric measurements such as heart rate, Blood Pressure, blood oxygen, fatigue, breath rate, etc., should be considered supplemental to seeking true and accurate readings taken under optimal conditions by trained professionals using accurate, calibrated equipment. If you feel concerned about your health, do not self-diagnose, especially from using inexpensive, uncalibrated non-medical wearable devices such as this one. Seek proper medical advice. Enjoy your new toy, but remember, it is a toy.

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