Tech
Tired of Smacking Your Face With a Watch While Sleeping? Try One of the Best Smart Rings
Other Smart Rings We’ve Tested
We have tested several other entrants in this category, some good, some bad, and some in between. Here is the lowdown on some of your smart ring alternatives.
Photograph: Simon Hill
Leep Ring 1 for $200: A new British smart ring that is affordable, subscription-free, and offers simplified, accessible stats on your activity, sleep, and stress? Sign me up. The Leep Ring 1 is slim and stylish, with a subtle diagonal indent to help you line up the knobbly internal sensors. It comes with a handy charging case that’s supposedly capable of providing an extra 60 days of charge. A fully charged ring is meant to last up to eight days. (I’ve been getting closer to five.) The app is straightforward (only available for iPhone right now, but there’s an Android app in the works) and gives you a big score out of 100 for sleep, balance (stress), and activity. Sadly, sleep is woefully inaccurate and tends to report that I’ve been asleep for my entire time in bed, even if I was watching TV or reading. Last night, it suggested I slept 8 hours 43 minutes (Oura says 6 hours 52 minutes). The activity and stress scores seem a bit more accurate, with step counts that were mostly within 100 or so of my Oura and Apple Watch (it was out by 1,000 one day). But the app could use some polish. For example, it doesn’t take into account that it’s only a couple of hours into the day before telling me my movement for today is “Bad.” I also lost data on the first night it ran out of battery, and there was no warning notification to tell me to recharge. It’s early days for Leep, and it’s priced very reasonably, but it needs to improve fast to compete.
Photograph: Simon Hill
Luna Ring 2.0 for $329: We had issues with charging and connectivity with the first-generation Luna Ring, but the Indian manufacturer seems to have made significant improvements in version 2.0. My Luna Ring 2.0 came with a jazzy wireless charging case (it is $29 cheaper with the regular charging dock) that promises up to 30 days of power. The ring is supposed to go five days between charges, but I found four was more realistic. I don’t love the diagonal crease that marks the front of the ring, and it’s not as comfortable as my Oura. It boasts all the usual sensor suspects for tracking (optical heart rate, blood oxygen, PPG, skin temperature). Data is divided into sleep, readiness, and activity tabs in the busy app, with the obligatory AI option for advice and insights. There’s no subscription necessary, which is a big plus, and the data seemed reasonably accurate, but it’s definitely on the generous side. Comparing a full day to my Oura, the Luna thought I got an extra hour of sleep, burned 100 kcal more, and rated my readiness above 80 out of 100, while Oura scored much lower and picked up on something straining my body (I do have a cold right now). If you want a subscription-free ring, I prefer the Ultrahuman listed above.
Photograph: Adrienne So
Circular Ring 2 for $349: This ring is pretty, with rounded edges that make it slightly look more like jewelry than the Oura or Ultrahuman rings. I also like the closed charging case, which means you can bring it while traveling and recharge without a USB-C cable, and I also like that the ring pings me throughout the day when I’m in my best zone for productivity, working out, or caffeine. However, during my two-week testing period, I was plagued with persistent server issues and data processing delays that made it difficult to double-check any of my health metrics for accuracy, like heart rate, SpO2, or sleep data. It also makes it hard to recommend this ring right now. I will hold onto it for now and see if this improves.—Adrienne So
Movano Evie Ring for $269: When it first came out, the Movano Evie Ring was touted as the world’s first fitness tracker designed specifically for women. I was very excited! It was recently updated to integrate with Apple Health (in the iOS version of the app), and you can now see your cycle day on your home page, manually log your basal body temperature, and manually add workouts. However, these new features are pretty underbaked compared to those offered by its competitors. Now that Oura and the Galaxy Ring can track periods so accurately, this ring’s time may have passed. But it’s relatively affordable, has no subscription fee, and has a blood oxygen sensor, so that’s kind of nice. —Adrienne So
RingConn Gen 2 for $299: Despite a price increase over Gen 1 below, this is still a relatively affordable, subscription-free smart ring. RingConn retained the distinctive squared-off design, but this second-generation ring brought major improvements to sleep tracking (including sleep apnea detection), better battery life, and is very slightly slimmer and lighter. I found basic sleep and health monitoring solid (sleep is much more accurate than the first generation), but workout tracking is still a major weakness. Despite more available exercise types, you must manually trigger workout tracking, and it struggles with accuracy at higher heart rates.
RingConn Smart Ring for $99: Now heavily discounted, the original Ringconn is worth considering. A slightly squared-off design with beveled edges gives it a unique look, the health and sleep tracking work well, and it lasts four or five days between charges. It also comes with a handy battery case (enough for several charges on the go). However, I had trouble with data syncing, the app lacked proper workout tracking, and the data was sometimes inaccurate, though the app is steadily improving through updates.
Amazfit Helio Ring for $200: Purveyor of affordable fitness trackers like the Amazfit Active 2, I expected a competitive smart ring from Amazfit, but the Amazfit Helio is badly out of shape. I like the subtly textured bronze finish, but it is the only color you get. Sizes are also limited to 8, 10, or 12 for now (sizes 7 to 13 are coming). While it has similar capabilities to the smart rings above, the Helio was sometimes hopelessly inaccurate, with heart rate measurements wildly out of step with other trackers. It lacks automatic workout-tracking, battery life averaged three days for me, and the Helio frequently disconnected from the busy and confusing Zepp app. You don’t need a subscription, but there is Aura AI ($70/year) for sleep insights and content or Fitness ($30/year), which includes an AI coach. They are expensive and confusing. (Why have two separate subscriptions?) The Helio works much better in conjunction with a smartwatch (I tried it with the Amazfit Cheetah Pro), as it can merge the data, but as a standalone device, it is impossible to recommend.
How Do I Choose the Right Smart Ring Size?
Some smart rings come in standard sizes, but there is variation, and half sizes are rare, so it’s worth taking some time to ensure you get the correct ring size. Most manufacturers will send you a free sizing kit, enabling you to wear a dummy ring for 24 hours. (You may have to buy the ring directly from the manufacturer to get this kit for free.) You should absolutely do this. Bear in mind that your fingers swell and shrink throughout the day. Your smart ring should be snug to enable the sensors to measure accurately, but you will have to remove it regularly to charge, so you don’t want too tight a fit.
Which Finger Should I Wear My Smart Ring On?
You can wear your smart ring on any finger, but most manufacturers recommend wearing these gadgets on your index finger, though the middle or ring finger can also work. These three fingers all have large blood vessels for more accurate pulse monitoring. What’s really important is that the ring fits tightly and securely around the base of your chosen finger, so if you have a big knuckle and a narrower finger base (more common with the middle or ring finger), this can be tricky. I recommend wearing it on the index finger of your less dominant hand because I found wearing it on my right index finger, as a right-handed person, led to more damage on the ring and scrapes on some things I touched.
Which Smart Ring Finish or Color Is Best?
All the smart rings we tested combined tough titanium with a sensor array on the inside, but the coatings and colors vary. If you are hard on rings, a silver or gold finish will likely suit you best, as there is less risk of damage. My Oura and Ultrahuman rings with black finishes have visible scratches and chips after a few months. Our Galaxy Ring test unit has been on a tester’s finger for more than a year, and the edges of the titanium black ring now look silver.
The Oura, Samsung, and Amazfit rings have tiny dimples to help you align the sensors. While I prefer the smooth finish of the Ultrahuman, I suspect correct placement aids accuracy enormously.
How Do I Care for My Smart Ring?
Most smart rings are durable, but if you want to avoid damage, you should remove your ring when working with tools, weight lifting, washing pots and pans, or even cleaning the sink. If your ring is likely to rub against a surface, take it off. I found this was a bigger problem wearing a ring on my index finger than with the middle or ring finger. I scratched the Oura and Ultrahuman rings when gardening, moving boxes, and using a dumbbell. Titanium is also tough enough to damage surfaces in your home. I gouged the porcelain of my sink and marked the inside of a mug with the angular Ringconn. All the smart rings we tested are water resistant, so you can swim or shower without taking them off.
How Often Do I Need to Charge My Smart Ring?
Photograph: Simon Hill
Smart rings come with a charger and cable, but you will generally have to provide your own wall adapter. From dead, they take anywhere from an hour and a half to three hours to fully charge, but you should avoid letting the battery run down completely, or you run the risk of losing health data. We tested the smart rings above with all the bells and whistles turned on, so our battery life estimates are lower than the manufacturer’s claims.
What Smart Ring Features Should I Look For?
Most smart rings will track your sleep, heart rate, and temperature. If you want to keep an eye on your sleep and get health insights unobtrusively and comfortably, smart rings are ideal. Fitness tracking varies, with most smart rings offering basic step counts and movement, some offering manual workout tracking, and others offering automatic workout recognition. But you can expect more depth and accuracy from a traditional fitness tracker or smartwatch. Combining a smart ring with an Apple Watch or Fitbit makes for a seamless experience, allowing you to take off the watch and let it charge at night without gaps in your tracking.
Smart Rings or Smartwatches?
In the past few years, we’ve fielded many questions about why someone would get a smart ring instead of, or in addition to, a regular fitness tracker or smartwatch. Here are a few reasons why you might consider it:
Better battery life. A smart ring is smaller and usually (if not always) has better battery life. It’s a helpful addition to your repertoire if you hate missing a couple hundred, or a thousand, steps while you’re charging your smartwatch every day.
Sleep tracking. It’s no coincidence that our favorite sleep tracker is a small, unobtrusive ring. Maybe you’re tired of having your enormous Apple Watch Ultra smack you in the face every time you turn over. (Or maybe you’re charging it instead!)
Cycle tracking. Many watches and fitness trackers now feature a skin temperature sensor that’s sensitive enough to detect when you’re sick or drinking alcohol. However, in Adrienne’s testing so far, only the Samsung Galaxy Ring and the Oura have been accurate enough to track her menstrual cycle.
Finally, fashion. Watches are a statement and a status symbol; a smartwatch often says nothing more about your preferences and choices besides “I don’t like missing meetings.” Almost everyone we know who has bought a smart ring has done so because they have a hand-me-down Cartier Tank, or a fun Casio or Swatch, that they don’t want to give up. If this is you, good for you! And get a ring!
We have been wearing smart rings continuously for several years (sometimes two or three at a time), so we have a good handle on what makes a smart ring worth buying. Every smart ring we test has been worn for at least a month, usually longer, and we always compare its tracking data against our top pick (Oura) and with other smartwatches and fitness trackers (Apple Watch).
We are re-testing the Circular Ring 2 and the upcoming RingConn Gen 3.
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Tech
Some of Dyson’s Top Vacuums Are on Sale for Memorial Day
Shopping for a Dyson vacuum is an experience. There are many models to navigate and serious price tags on most of them. As someone who tests vacuums for a living, I have to admit that a Dyson blows most other vacuums away. There are a few cheaper models I’ll still grab (check out my full guide to cordless and robot vacuums for more recommendations), but if you’re dreaming of a Dyson, this weekend is a great time to buy.
Several Dyson models I love are on sale for the long weekend. This weekend’s sale includes Dyson’s newest robot vacuum and the PencilVac that I can’t stop using, and my overall favorites like the V15 Detect and Gen5Detect, and more models our team has loved using. Read on to find out every on-sale Dyson I’d buy this weekend.
Best Dyson Vacuums on Sale for Memorial Day
The Best Dyson for the Price
If you’re looking for the best features for the best price, I already recommend the Dyson V15 Detect when it’s not on sale, making this an even better time to buy. You’ll get both a Fluffy Optic cleaner head and a Digital Motorbar cleaner head to use for hard floors, carpet, or rugs, trigger control, and details about the particles you suck up while you vacuum. It’s lightweight and easy to use anywhere in the house, and the hour-long battery life should be plenty for a whole-home clean.
A More Powerful Dyson
Dyson’s more powerful stick vacuum is the Gen5Detect, which is a great option if you have pets since it has a faster motor with more suction power than the V15 Detect to suck up more pet hair (it’s our top vacuum for pet hair for a reason) and has a HEPA filter to keep allergens contained inside of the vacuum instead of being released back into the air. It also comes with a true power button, so you don’t have to hold onto the trigger button the entire time to use it. Similar to the V15 Detect, it comes with both a Digital Motorbar cleaner head and a Fluffy Optic cleaner head to use on carpet and hard floors, respectively. You’ll also get two more attachments, plus a built-in dusting and crevice tool (it’s nice not to have to wonder where this attachment is!) It’s an expensive vacuum, but well worth the investment when it’s on sale.
If You Only Have Hard Floors
I shouldn’t like the PencilVac so much, but I find myself reaching for it often, and I think it’s plenty worth its abilities when it’s on sale. Part of what makes it so easy to grab compared to my other stick vacuums is how easy it is to store and keep charged with the freestanding charging base, letting it stand wherever I like in my home as long as there’s an outlet nearby. The PencilVac has two versions, the Fluffy and Fluffycones, with the latter having a design that has fluffy cone-shaped rollers to best collect debris. It is limited to only hard floors and has a short battery life, but I love how maneuverable and lightweight this vacuum is. It’s usually a high price tag for its abilities, and even on sale, it’s not what I would call cheap, but it’s a great, quick daily vacuum.
Dyson’s Latest Robot Vac
Dyson’s newest robot vacuum, the Spot+Scrub Ai, is its first that doubles as both a vacuum and a mop. It has a large base station that reminds me of Dyson’s vacuums, since the dry debris canister is clear and rounded like the ones you’d see attached to a Dyson stick vacuum or one of its upright models. It does a good job mopping and vacuuming, and can learn multiple floors, and the navigation has improved since the older Dyson 306 Vis Nav. Still, it’s not perfect navigation, since the camera sits below the top of the vacuum and doesn’t always see low-profile furniture that it’ll bump into. If you don’t have a ton of low furniture (or tons of IKEA pieces, as I do), this vacuum could be just perfect for you.
A Stick Vac and Mop
If you want a vacuum that doubles as a mop, look no further than this variation of the V15 Detect that’s also on sale for the holiday weekend. The V15s Detect Submarine comes with the Submarine wet roller head that transforms it from a regular Dyson vacuum (that still comes with both the Fluffy optic cleaner head and Digital motorbar cleaner head for you to use on hard floors and carpet) into a wet roller mop. You can’t buy a regular V15 Detect and add this attachment on; this V15s is made to work with this Submarine head. You’ll fill the small reservoir on the roller head with water and can start mopping away, but you will have to rinse the mop head afterwards by hand, which is a little gross.
A Handheld-Only Dyson
If you’re not looking to spend a ton but want a Dyson that’s super portable and great for stairs, cars, and even boats, the Dyson Car+Boat is made for that. It’s in the name, after all. This handheld-only vacuum packs solid power and has a great battery life for a handheld vacuum. It uses a trigger-style control like the V15 Detect, which I actually find ideal for cleaning compact spaces like stairs and cars so that you’re not fumbling to switch it off as you move around the car or to the next set of stairs. It’s an affordable way to get into the Dyson ecosystem, especially since it’s on sale.
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Tech
L.L.Bean’s Rugged, Water-Resistant Tote Bag Is Tough Enough to Survive Baggage Claim
Photograph: Michael Calore
The walls of the bag are tough enough, made from 1,200-denier polyester, which is heavy-duty and water-resistant, not to mention so rugged that it’s nearly indestructible. I’ve checked it as luggage on a dozen or so flights, and it doesn’t show any scuffs or tears. The zipper at the top isn’t sealed, but it’s heavier than it needs to be and works just fine in the rain. What truly sets the bag apart, though, is its lining. The whole interior of the tote is coated with a thin layer of thermoplastic, further increasing its imperviousness to moisture.
Photograph: Michael Calore
Photograph: Michael Calore
Now, of course, the purpose of this kind of lining is to keep the contents dry when you use the bag in a wet environment, like on a canoe trip, on a rainy bike ride, or on a duck hunt in the Maine wilderness. And surely, I have used the bag in a canoe and on many a rainy bike ride (I’ve never been on a duck hunt), and the goods inside have indeed always remained intact. I even trust the bag enough to carry electronics and musical equipment to the office or studio on drizzly mornings. But for me, the utility the bag provides is more so the opposite: it’s an excellent place to cleanly transport items that are, themselves, muddy, wet, or slimy.
For example, I’ve taken the bag car camping several times. Once, I used it to pack my tent, ground cloth, boots, and rain shell. On the last day of the trip, it poured outside, and upon it being time to head home, my rain jacket and tent were soaked, the ground cloth was dotted with wet pine needles and flecks of bark, and my boots had a thick layer of Mendocino, California, muck in the tread. I crammed all of those items in the Hunter’s Tote, zipped it up, and tossed it into the back seat of my rental car. The interior lining kept the mess inside, saving the rental car’s tuck-and-roll upholstery. Back home, I emptied the tote, flipped it inside out, and blasted out all the forest flooring with a hose.
There are two heavy plastic tabs on the edges of the tote, one at each end of the zipper. This is where the shoulder strap clips in. I’ve never really used the strap (honestly, it just gets in the way), but those tabs are great for hanging the tote to dry after rinsing it out.
The Hunter’s Tote comes in three sizes. I have the largest, the XL, which has a capacity of 53 liters. (That’s huge for a tote bag.) I prefer the larger size because when you set the reinforced bottom on a flat surface and prop the mouth of the bag open, you have a generous flat bottom inside of 10 by 19 inches. All that room really makes the bag more versatile, so my recommendation is to go large.
Also, just know there are no frills here: no exterior pockets, no padding, no laptop sleeve. Just a rugged carrier that’s ready for your dirtiest work. Whether you’re carrying twelvers of La Croix or bagging Buffleheads, it’s indispensable.
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Tech
All Vehicles Sold in the EU Must Be Able to Hook Up to a Breathalyzer
As of July 1, all vehicles sold within the European Union must include a standard, preinstalled interface that allows a breathalyzer lock to be added to the ignition system. This measure is part of a larger strategy promoted by the EU to reduce drunk-driving-related deaths and injuries by at least 50 percent by 2030.
The requirement falls under the Vision Zero program, launched by European authorities more than five years ago, which aims to eliminate alcohol-related traffic fatalities entirely—or get as close to zero as possible—by 2050. The measure also aligns with the timetable established in the EU’s General Safety Regulation, which sets specific deadlines for manufacturers to incorporate various safety features into vehicle designs, starting at the factory.
The regulation that will become mandatory in July obliges automakers to provide an electrical connection and reserve a space inside the vehicle to allow the installation of an “alcolock” device. This device must comply with European standard EN 50436 for Alcohol Ignition Interlocks and have a certificate issued by an authorized accrediting entity.
The operation of an alcolock is simple. Before starting the vehicle, the driver must blow into the device, which measures the level of alcohol present in the breath. If the result exceeds the legal limit, the system, which connected to the vehicle’s ignition or starting mechanism, automatically blocks the ignition cycle and prevents the car from starting.
This type of technology already operates in several European countries, mainly as part of programs aimed at repeat offenders of alcohol-related offenses or in certain sectors of professional transport. Official figures estimate that its implementation can reduce fatal accidents associated with alcohol consumption by up to 65 percent.
Since 2018, the European Union’s road safety program has incorporated different technologies to reinforce safe driving. As of 2024, new vehicles integrate an intelligent speed assistant, a system that detects the permitted speed limit using cameras or GPS and alerts the driver when they are exceeded the limit.
In addition, there is the emergency lane keeping assistant, capable of correcting the trajectory when the vehicle deviates without prior signaling. Also noteworthy is the event data recorder, popularly known as the “black box,” which stores key information during the seconds prior to an accident to facilitate law enforcement and traffic safety agency investigations.
Recently, a requirement was added to incorporate the adaptive brake light, a mechanism that, in the event of sudden braking, automatically and intensely activates the rear lights to warn other drivers of the need to slow down and avoid a collision.
The obligation to install an interface for an on-board breathalyzer is the final step in this set of safety measures. As of the first day of July, no car will be allowed to leave a dealership within the EU without full compliance with all these requirements.
This story was originally published by WIRED en Español and has been translated from Spanish.
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