Oura Ring 4 Ceramic evaluate: A colourful glow-up | TechCrunch

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Let’s be sincere, most tech wearables are cumbersome and never precisely what you’d describe as fairly. However whenever you’re usually sporting one thing in your arms, you most likely need it to look good and possibly even mix in with the remainder of your jewellery. That’s the thought behind Oura’s latest sensible ring, the Oura Ring 4 Ceramic.

The Ring 4 Ceramic is Oura’s first assortment of sensible rings that doesn’t characteristic metallic finishes. As an alternative, they’re made out of zirconia ceramic, a extra wear-resistant ceramic, which Oura says permits for each fashion and luxury.  

I’ve examined the Oura Ring 4 Ceramic for the previous three weeks, and right here’s my expertise with it.  

Nonetheless, earlier than we get into the specifics, it’s price noting that for the reason that software program behind the Oura Ring 4 Ceramic is identical because the Oura Ring 4, I received’t be getting an excessive amount of into the software program and {hardware} facet of issues. For that, you may take a look at our Oura Ring 4 evaluate.  

End and really feel 

The Oura Ring 4 is available in 4 colours: Midnight (darkish blue), Cloud (white), Tide (gentle teal), and Petal (gentle pink). The ring prices $150 greater than the beginning worth of the usual Ring 4, with a $500 price ticket, and is obtainable in sizes 4-15.  

I opted for Midnight. Though that shade is technically darkish blue, it will probably seem black from afar — or perhaps a darkish shade of inexperienced, I’ve been informed. The ring doesn’t appear like a tech wearable at first look, which is sweet if you wish to prioritize aesthetics with out sacrificing performance.

Picture Credit:Oura

When in comparison with the unique Ring 4, the Ceramic model is a bit thicker, however it’s not tremendous noticeable. The titanium model is 2.88 mm thick, whereas the ceramic model measures 3.51 mm.

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As for the burden, the ring can weigh between 5.1 and eight.1 grams, relying on the dimensions you get, making it heavier than the Titanium Ring 4, which weighs between 3.3 and 5.2 grams.

Regardless of the Oura Ring 4 Ceramic being thicker and heavier than its predecessor, I discovered it to be comfy and light-weight, even when in comparison with an ordinary steel band. It looks like a fairly common ring, only a bit thicker.

The ring is easy and never as vulnerable to gathering fingerprints because the titanium variations of the Ring 4. For the reason that zirconia ceramic is hotter and fewer slick than the titanium rings, the Ring 4 Ceramic can really feel a bit “sticky” at instances, that means the surface of the ring may really feel prefer it’s sticking or clinging to the edges of your fingers, however I did get used to the texture of the ring fairly rapidly.  

Oura says the colour on the rings comes from pure minerals within the ceramic itself, so it stays vibrant and doesn’t fade over time. (In fact, I’ve solely had the ring for 3 weeks, so I can’t converse to how it could maintain up long run, however to this point, the colour is equivalent to what it was on day one.)

Sturdiness 

Oura says that Ring 4 Ceramic is vulnerable to scuffs from softer metals, like these present in cookware or dumbbells. The corporate says these scuffs could be addressed with the Sharpening Pad that comes with the ring. (The evaluate unit I acquired from Oura didn’t embrace the Sharpening Pad, nonetheless.)

Whereas there have been moments after I thought I might see scuffs on the ring, they ended up being smudges that I used to be surprisingly capable of clear away with the sting of my shirt or sweater.

The corporate additionally recommends sporting the ring in your nondominant hand to keep away from pointless influence. Nonetheless, the ring simply felt proper on my dominant index finger, so that’s the place I wore it for the previous three weeks. This uncovered it to extra potential injury in a briefer time period than a typical buyer may see.

Screenshot 2025 11 14 at 1.19.25 PM
Picture Credit:TechCrunch/Aisha Malik

The primary day I placed on the ring, I put it by means of a busy journey day to TechCrunch Disrupt, our annual convention in San Francisco. I wasn’t positive how properly the ring would maintain up with me hauling my baggage round, unintentionally hitting the ring on a couple of counters (I’m clumsy!), or letting it brush in opposition to the airplane window after I leaned in for a nap.  

Because it turned out, the ring made it by means of all of that unscathed. There have been even a handful of moments after I was sure I had scratched it — like when I used to be holding on to a rusty railing strolling up the steps of the Level Area Lighthouse, forgetting that I had the ring on, or after I forgot to take away it earlier than doing the dishes. However the ring didn’t find yourself with any marks or everlasting injury.

It’s price mentioning that though the ring is waterproof as much as 100 meters, which implies you may put on it whereas doing the dishes or showering, I took it off whereas doing the dishes as a result of Oura warns that the ring can scuff when it comes into contact with softer metals.

Since I’ve had lower than a month with the ring, I wouldn’t be shocked if, additional down the road, the ring collected at the very least some scuffs or dents, particularly given its location on my dominant hand.

Remaining ideas  

Past aesthetics, the ring was fairly helpful in serving to me perceive my coronary heart well being, sleep, and stress by means of the Oura app. Every morning, I discovered myself trying ahead to seeing my “readiness score,” which is calculated utilizing each short-term and long-term metrics to point out how ready you might be for the day forward.

Plus, the battery life is holding up properly, as I’ve solely needed to cost it as soon as per week, which is on par with Oura’s promise of a battery that lasts between 5 and eight days.

Selecting between a titanium and a ceramic ring finally relies upon in your aesthetic preferences and your very best worth level. With coloration and materials being the one variations between the 2, it actually comes down as to whether you desire a smooth, trendy end or the customary steel sensible ring look. 

If you’d like that pop of coloration and elegance, then the Oura Ring 4 Ceramic is perhaps the sensible ring for you.  

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