CES 2020: Aura Smart Strap for Apple Watch to Launch in March

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Aura at CES 2019 introduced an Apple Watch "Smart Strap" designed to measure weight, water, fat, and muscle via electrodes built into the band. The strap didn't end up launching in 2019, but Aura says that it's set to launch in March 2020, with pre-orders available now.

The Aura Strap, which is priced at $99, claims to allow users to measure their body composition and track their hydration levels and fitness progress. Aura says the band uses bioimpedance to analyze the upper body, tracking lung performance and changes in breathing, comparing that information with pulse data.


The band is able to assess the risk of heart failure and notify the user, though this is something that newer Apple Watch models can do on their own without the need for an additional strap. Measuring body composition and hydration is not something the Apple Watch can do on its own, though testing will need to be done to see how accurate the Aura strap is in practice.


The Aura Strap is available in four color options, including black, green, red, and gray, and it attaches to the Apple Watch using the standard Apple Watch lugs. According to Aura, the strap transfers results to the watch "via an ultrasound interface" and it works for up to six months on a single battery. It has the same waterproof specifications as the watch and is able to sync with HealthKit.

Aura is taking pre-orders for the watch as of today, with the device set to begin shipping out to customers starting in March 2020.

Top Rated Comments

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9 months ago
I want to see the scientific papers on peer-reviewed journals comparing this with clinical measures. Otherwise, is just wishful thinking and snake oil sales. The papers usually come out 1-2 years after a product comes to market (e.g., there have been 2 in the last few months about the apple watch and A-Fib (one about the HEART study in the NEJM, and other using the apple watch to take a 6 lead precordial EKG in other journal, can't remember the name right now).
Score: 5 Votes (Like | Disagree)
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9 months ago
All that but no pulse ox measurement?
Score: 2 Votes (Like | Disagree)
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9 months ago
Interesting technology, albeit I question the accuracy. I suspect Apple probably Will release their own version of a watch band like this in the future similarly.

But I think it’s very clear other manufacturers are seeing Apples leading with health related features, thus following by releasing products like this.
Score: 1 Votes (Like | Disagree)
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9 months ago
Looks interesting. I’ll wait until reviews comes out.
Score: 1 Votes (Like | Disagree)
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9 months ago


I want to see the scientific papers on peer-reviewed journals comparing this with clinical measures. Otherwise, is just wishful thinking and snake oil sales. The papers usually come out 1-2 years after a product comes to market (e.g., there have been 2 in the last few months about the apple watch and A-Fib (one about the HEART study in the NEJM, and other using the apple watch to take a 6 lead precordial EKG in other journal, can't remember the name right now).


If you can find this please update us!!

The Aura technology detects the RISK of heart failure before its development, i.e. in advance but does not make the diagnosis of AF after its development as in "new Apple Watch models". This is something different as can be seen from the US patent:
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=10463260.PN.&OS=PN/10463260&RS=PN/10463260
Score: 1 Votes (Like | Disagree)

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