Live Science Verdict

The Ultrahuman Ring AIR has all the crisscross of an excellent nap tracker — it is feather - luminosity and comfortable to wear , and it provides plenty of data - expectant insights into your sleep and recovery without sounding overly complicated . However , we would not recommend it for tracking workouts .

Light Within and comfortable to wear upon

Up to six days of battery living

The Ultrahuman Ring AIR as worn by our reviewer

This stylish and ultra-light ring is a pleasure to wear.

Accurate eternal sleep - trailing lineament

personalised advice for improving convalescence

No subscription needed

The Ultrahuman Ring AIR, a close-up photo of the scratches

The outer paint can get easily scraped off when dealing with sharp objects.

Optional blood glucose tracking ( detector sold singly )

Imprecise heart rate measurements during intense workouts

App connectivity can be patchy

The Ultrahuman Ring AIR sizing kit

The Ultrahuman Ring AIR is available in 10 sizes.

scrape well on sharp surface

Why you may commit Live ScienceOur expert reviewers spend time of day testing and compare products and services so you may choose the best ones for you . Find out more about how we test .

saucy ring are the Modern fry on the block . These succinct and discerning alternatives to wrist - worn gadget were invented around 15 years ago , but it was only the release of theOura ringin 2015 that brought this innovation into the glare . Since then , Oura has been an unquestionable loss leader in the smart ring industry . However , this may not last long — its reign is threaten by the climb of the Ultrahuman Ring AIR .

A screenshot of the main page from the Ultrahuman app

The Ultrahuman Ring AIR tracks heart rate, body temperature, blood oxygen levels and more.

Touted as “ the world ’s smallest bright ring , ” this succinct fitness tracker is gaining some serious popularity among athletes and regular folk alike . At $ 349 , it is also cost - equate the Oura Ring . But is it worth investing in ?

The Ultrahuman Ring AIR measures a range of metrics have-to doe with to your heart rate , consistency temperature , sleep , accent and crusade , have you detailed penetration into your sleeping pattern and strong-arm recovery . It is also compact , useable in multiple size and colour option , and can last up to six days on a single billing .

Moreover , the Ultrahuman Ring AIR can be linked to wearable skin sensors that monitor your roue glucose in real time — and that is something we have not envision before . Based on spec alone , this cracking smart closed chain could be one of thebest physical fitness trackerson the market .

A screenshot of the stress rhythm graph from the Ultrahuman Ring AIR

The Ultrahuman app is jam-packed with health data.

Ultrahuman Ring AIR review

Ultrahuman Ring AIR: Design

presentation : No

Width:0.32 in ( 8.1 mm )

heaviness ( varies with size ): 0.1 - 0.11 in ( 2.452.8 millimetre )

The Ultrahuman Ring AIR being charged

The Ultrahuman Ring AIR comes with a pocket-sized charging dock.

Weight ( diverge with sizing ): 0.08 - 0.12 oz ( 2.4–3.6 g )

Sizes : 10 ( 5 to 14 )

coloring : Raw Titanium , Aster Black , Matte Gray , Bionic Gold , Space Silver

The Ultrahuman Ring AIR as worn by our reviewer

The Ultrahuman Ring AIR can sustain scorching temperatures and sea water.

Finish : Titanium and tungsten carbide carbon paper

GPS : No

Compass : No

A screenshot of the heart rate graph from the Ultrahuman app

The workout tracking features in the Ultrahuman app are limited.

Altimeter : No

Water resistance : Up to 100 meter

App compatibility : Android , iOS

A screenshot from the Ultrahuman app

The app connectivity can be patchy.

Battery animation : Up to 6 days

guarantee : 1 - yr , special

The Ultrahuman Ring AIR boldly claims to be " the humanity ’s most comfortable and succinct smart ring " — and there might be some truth to it . Weighing just 0.08 to 0.12 ounces ( 2.4 to 3.6 gm ) , depending on the ring size , it is amazingly clean and well-to-do on the finger’s breadth , and its slim design makes it feel slightly less gawky than other smart rings we tried on . We also liked that our Ring AIR did not seem to catch on pilus or clothes , and its exceptionally legato finish made it well-to-do to clean .

Ultrahuman Ring AIR

The Ultrahuman Ring AIR may be light , but it does not sense delicate or “ plasticky ” — and that is not an well-heeled feat to pull off . This smart ring is shell with fighter jet - form titanium and bolstered with a tungsten carbide carbon coating on the internal side , making it relatively bouncy to price . It is not invincible , though . The Ultrahuman Ring AIR may still collect a few scratches , especially if it ride on the fingerbreadth 24/7 .

The brand does not advocate wearing it while arise heavy weight or dealing with sharp objects . Even though we follow this steering , we still deal to scratch our testing unit a few times — while holding a glass bottle , for example . However , we would not consider it a deal - ledgeman . Any hand accessory is inherently more disclose to wear - and - tear harm than a wrist joint - worn spotter . If anything , a few venial scuffs add some character to our Ultrahuman Ring AIR .

This fitness tracker is available in a range of colors , from classical matte black to gold and shiny ash gray , and for a fee , you could even spruce it up with a individualised engraving . Our examination unit came in Bionic Gold — and it really arise on us . The smart ring was stylish , elegant and discreet enough to beseem a wide cooking stove of kit . We also liked that the Ultrahuman Ring AIR was uncommitted in a secure image of ring size .

Ultrahuman Ring AIR

Ultrahuman Ring AIR: Features

The Ultrahuman Ring Air feature a sensing element for body temperature , a six - axis movement sensor for trailing drift , and a PPG sensor that measures core pace , heart pace variability andblood oxygen saturationby detecting change in line bulk under the skin . Based on these data point points , the Ultrahuman Ring AIR then calculates metric function such as sleep duration , sleep stage , pillow fondness rate and circadian cycle . It will also provide personalized advice on how best to improve your vitality levels and forcible convalescence .

There is no screen on the ring , so installing the Ultrahuman app is essential for consider stats and receiving notice . It is perhaps one of the most data - laborious health apps we have seen , but founder should not fear it . Every metric is explained in detail , numbers are easy to track , and all pieces of advice are bring home the bacon in a digestible and actionable manner . The Ultrahuman app is also a one - stop shop for band software updates , FAQs , contacting client service and other handy features . The cherry on top ? No subscription is needed .

Interestingly , the Ultrahuman Ring AIR can be connect to the Ultrahuman M1 — a skin patch with sensor that measureblood glucoselevels in real sentence . When used together , these twist can provide insight into your metabolic health and offer personalized dieting advice . This was a big positive pointedness for us . Tailor - made nutrition coaching job is a rare feature in seaworthiness tracker , but it could make a big difference to your well - being and work out performance . The only issue is the price . One M1 patch only live on two week on the skin , and it cost rough $ 150 .

ULTRAHUMAN Ring AIR - Sleep &…

Ultrahuman Ring AIR: Performance

functioning - wise , the Ultrahuman Ring AIR is a flake odd — so allow ’s start with the positives . First , the stamp battery life . This bright annulus can last up to six twenty-four hour period on a single charge , and it charges quickly , too — it takes only two to three hours to slay 100 % on your battery .

Next , eternal rest tracking features . The Ultrahuman Ring AIR offers heaps of insights into your quietus and forcible recovery , going above and beyond the prosody you’re able to get hold in most fitness tracker these day — and it is pretty precise , too . Our bright ring was well-nigh spot on with detecting when we went to sleep and when we woke up , and its judgement of our nap timber and overall vigor levels always seemed to hit the stigma .

We find the personalized presentment to be peculiarly helpful . We check a flock about our circadian rhythm , optimal exercise scheduling , and even when it is the best prison term in the day to ditch coffee or bask in the sunshine . All in all , the Ultrahuman Ring AIR could be one of the best sleep trackers we have ever tested .

Prime

We also liked its durability . We wore the Ultrahuman Ring AIR almost non - stop during our three - month examination period , and it did not chip or alteration shape . We even took it with us on a week - long trip to the Mediterranean , peril it to scorching temperatures , piquant ocean water and heaps of swither from rise the mass — and it never shut off or lagged . A tangible cavalryman .

However , there are several major downsides to the Ultrahuman Ring AIR . First , its physical exercise tracking features are quite limited . It only offers a smattering of athletics mood , with heart pace and workout duration being the only metrics measured ( albeit that seems to be improving with each update ) .

We also get hold that the heart rate readings on our Ultrahuman Ring AIR were quite unreliable during high - intensity exercise . We compared the readings find with our gang to the data compile by a chest - strap heart rate reminder , both worn during the same exercising , and comment that the ring systematically underestimated our warmness pace value during intense exercise . On the plus side , our Ultrahuman Ring AIR was quite precise with nitty-gritty charge per unit measurement at rest .

Ultrahuman - Ring AIR - Smart…

We were also underwhelmed by the app ’s connectivity . There were times when we struggled to sync the ring information or when the data transfer seemed to lag . In all paleness , refreshing the app several times often did the trick , but such patchy connectivity can be pestering nonetheless .

Ultrahuman Ring AIR: User reviews

The Ultrahuman Ring AIR is shit at 4.5 out of 5 stars onAmazon , with 71 % of users yield it a full five stars . Positive inspection tended to praise its hide - friendly innovation and detailed tracking features , and many client refer the subscription - free simulation as a massive perk . As one user said : " The Ultrahuman Ring AIR is very comfy when compared to the Oura 3 tintinnabulation , and its annulus sizes better fit my fingers . I was also very impressed with the app . If you liken it to the WHOOP banding 4.0 , the Ultrahuman Ring AIR is more geared towards plus reinforcement rather than paddle you for bad behaviour . "

minus review often cited inaccurate tracking lineament and capricious battery life . As one exploiter commented : " I purchased this band to track my rest and see where I could improve . In that respect , it has done a undecomposed job . However , it is painfully lack in the movement detection department . For example , the step counter is wildly inaccurate . I walk for 7 mi and it only immortalise 3,000 steps ( for comparability , my phone register 14,000 ) . "

Should you buy the Ultrahuman Ring AIR?

✅ Buy it if : You want an excellent rest and retrieval tracker project for the information junky of the fittingness world . The Ultrahuman Ring AIR is fashionable , radical - light and comfortable to wear , and it allow heaps of useful advice on hike your energy degree and overall well - being .

❌ Do not corrupt it if : You are looking for something that can mistreat up your recitation carrying out . The Ultrahuman Ring AIR come with limited fitness - trailing feature , and its nitty-gritty sensor may not be entirely accurate during in high spirits - chroma physical exertion .

If Ultrahuman Ring AIR is not for you

TheFitbit Charge 5is a nifty alternative to the Ultrahuman Ring AIR . This seaworthiness tracker is calorie-free , thickset and packed with advanced health - tracking features . At approximately $ 159 , it also costs less than half the price of the Ring AIR .

TheAmazfit Balanceis another smartwatch that can offer a wealth of utile information on your quietus , stress and post - exercise recovery . feature of speech - wise , it is a chip more advanced than the Fitbit Charge 5 , which is why it commands a high monetary value — the Amazfit Balance costs around $ 230.But if you quite like the idea of a blind - liberal fitness tracker , check out theWhoop 4.0 . This seaworthiness band is more fitness- and performance - orient than the Ultrahuman Ring AIR , and it is cheaper by around $ 100 . However , its app requires a subscription that will set you back $ 30 each month .

How we tested

We spend over three months test the Ultrahuman Ring AIR , calculate at its design , features , connectivity , enduringness , battery life and relaxation of usance . We wore it during the day , while sleeping , and when hiking , swim and doing cardio - heavy workouts . In line with the brand ’s good word , we did not wear it when filch weights or treat heavy and sharp object . Lastly , we ensure the accuracy of our Ultrahuman Ring AIR by compare its heart rate measurements with the datum we get using a chest - strap heart rate varan .

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ULTRAHUMAN Ring AIR - Size…

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