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K7 ECG IP68 Waterproof Fitness Tracker Smart Bracelet: One Minute Overview

2,866 views · Published 3 May 2018 · 1:06 · Indexed 17 October 2026

Channel: SmartWatch Ticks · 2018 · Science & Technology

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K7 ECG IP68 Waterproof Fitness Tracker Smart Bracelet Buying Link:   https://www.gearbest.com/smart-watches/pp_1461012.html?lkid=10112395  (Note: Currently out of stock, but orders may be fulfilled from other sources:  Quote from Gearbest:  “I have checked with my colleague. She told me that our supplier have a portion of inventory, so when it is sold out on Gearbest, my colleague will apply for purchases based on the quantity of order. But I don't know how many that our supplier has.”

Explore more Gearbest Smartwatches:  https://bit.ly/36IzXE7  (NOTE: Just clicking on it helps us out - Thanks!)

This K7 smart bracelet has been provided by Gearbest for review. Many thanks to our viewers for making this YouTube site popular and to Gearbest for their support. If you are interested in purchasing this K7 smart bracelet, please use the link listed above. It will help us receive more watches to review for you in the future. Thanks!

Tethering app:
 OneBand - https://play.google.com/store/apps/details?id=com.createbest.app.a19

DESCRIPTION:
The K7 represents another entry into the ECG monitoring and reporting arena of smart health/fitness wearable devices. As usual, the power of these bands is more in the app than in the device itself. The OneBand app offers a nice, clean way of viewing the heart wave derived from an ECG measurement. Check it out and compare it with the reviews we have done on other ECG+PPG watches/bands to decide which will work best for you:  https://www.youtube.com/watch?v=XnDKjJUgLRE&list=PLGZLicZ6A2vXkXWLguX0WPFgEDbpIbt2u

To see the full review on the K7, click here:  https://youtu.be/72sP8t6TkkM

NOTE: For the serious health enthusiasts, here’s a new health band offering unique new biometric measurements of skin humidity, proximity temperature, and the delta, or difference, between actual skin temperature and close proximity wrist temperature. The reason for this appears to be that, by monitoring the spread between your actual skin temperature and the close surrounding air temperature (not the ambient temperature, but the temperature near your body), the band can warn you when you are “too hot” or “too cold” and should take some action to change your body condition. It also tracks these measurements in a series of graphs on the tethering app for you to analyze in detail later. Interested? Learn more here: https://youtu.be/Fzonad3nk5Y Then watch the full review of the S3 here: https://youtu.be/cEUbMcVMk3A

More ECG+PPG Wearables: https://www.youtube.com/watch?v=XnDKjJUgLRE&list=PLGZLicZ6A2vXkXWLguX0WPFgEDbpIbt2u

Want to understand how they are able to estimate Blood Pressure from comparing the ECG electrical signal to the PPG blood flow signal in simultaneous measurements? Then check out this video:  “Introducing Richtek integrated ECG/PPG AFE solution for heart rate sensors”  https://www.youtube.com/watch?v=rM3a4xL3d50

Reference documents supporting this video:

Pulse Wave Transit Time and Its Relationship with Systolic Blood Pressure
https://link.springer.com/chapter/10.1007/978-3-642-14515-5_345

Mobile cardiac health monitoring 
Patent Application WO 2014042845 A1
https://www.google.com/patents/WO2014042845A1?cl=en


BIOMETRIC MEASUREMENT WARNING: This device claims to read Blood Pressure without using a cuff to measure actual Blood Pressure directly. 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 Blood Pressure 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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