Several Oura ring owners have claimed their devices are overheating and shared pictures of the results on Reddit, prompting concerns over safety. The claims follow the report of a Samsung Galaxy Ring owner being hospitalized with burns back in September.
Oura itself has been quick to respond in the /OuraRing subreddit, where the claims were posted, to say it would be investigating the issue. One of the first posts, made on December 5, is titled "Ring started smoking" and shows five images of an Oura Ring 4 with burn marks showing on the metal case as well as a blister on the owner's finger.
While Reddit discussion threads can create the impression of scale, the two reported cases appear to be isolated incidents rather than a wider pattern.
Oura
The post reads: "I felt a fire on my finger tried to get the ring off fast but wasent fast enough I gotta blister and my hand smells like electronic fire wondering why this would happen iv had my ring about 4 or5 months and ive been loving it until this."
A pinned comment from Reddit user u/AllieAtOura responded: "I'm very sorry you've experienced this with your ring, and appreciate the concern this brings. I just sent you a DM, and we'd love to investigate it and have this resolved for you."
Ring started smoking from r/ouraring
Other posts share similar stories about overheating concerns. One of which involves an Oura Ring 4 getting hot enough to wake the owner up from sleep.
In that instance, another Oura representative responded with the following: "Thank you for sharing what happened, and I’m sorry to hear you experienced this. That definitely shouldn’t be happening, and I'd like to get a support case created for the right team to investigate.
Oura's products, like any of the best smart rings, contain lithium-ion batteries to function. And, while it's possible for these batteries to overheat to the point of burning, it's an extremely rare occurrence.
Oura's response
I've personally been wearing an Oura Ring 3 for over a year at this point and have never felt it get even mildly warm.
When I contacted Oura directly, the company provided the following statement: "We take any safety-related report seriously and are actively reviewing the recent posts on a case-by-case basis. While Reddit discussion threads can create the impression of scale, the two reported cases appear to be isolated incidents rather than a wider pattern, and we’re conducting thorough investigations — including third‑party analysis — to understand exactly what happened and support the members involved."
Oura's own product safety page, which doesn't mention battery swelling or failure but does note: "If you experience redness or skin irritation on your finger while wearing your Oura Ring, remove it immediately. If symptoms persist longer than 2-3 days, please contact a dermatologist."
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