Oura has announced the Ring 5, and it’s the most significant update the company has ever made. It’s also the smallest smart ring in the world.
The headline number is the 40 percent size reduction. At 6.09mm wide and 2.28mm thick, it’s genuinely tiny, and, most importantly, Oura claims it didn’t sacrifice accuracy or battery life to get there.
That’s a bold claim indeed. The Ring 5 uses a redesigned sensing architecture with twelve signal pathways, stronger LEDs, and improved sensor domes for better skin contact.
Oura says accuracy has actually improved across key metrics like overnight and workout heart rate, and across more skin tones and finger types than before.
Battery life remains a week, which is very impressive given how much smaller the ring is.
Oura is updating the Ring software as well, launching Health Radar, a new proactive health feature developed with over 40 in-house doctors and researchers. It continuously monitors biometric signals in the background and flags patterns before they become problems. At launch it covers two areas: blood pressure signals and nighttime breathing.
The blood pressure feature is particularly interesting. It tracks cardiovascular patterns during sleep (when the body’s signals are clearest) and alerts members when readings suggest signs of strain. You can also log cuff readings directly in the app to build a picture over time. It’s all very impressive considering this is not a medical device.
Nighttime Breathing gives a 30-day rolling view of sleep-related breathing disturbances, and ties into a new partnership with ResMed. Members who spot elevated disturbances can now connect with ResMed-affiliated healthcare providers directly through the Oura app.
If that wasn’t enough, GLP-1 Insights brings medication tracking, side-effect logging, and lab result uploads into one place – a genuinely useful tool as millions more people start taking weight-loss drugs. A Brain Health Study, run through Oura Labs, pairs cognitive assessments with continuous biometric data.
And, finally, Live Activity Tracking lets you follow key workout metrics in real time from your phone (just like an Apple Watch).
Oura is also launching a Charging Case for the Ring 5. It’s made from recycled aluminium, holds enough charge for five full ring top-ups, and supports wireless charging. At US$99 / £99 it’s an optional extra, but for frequent travellers it’s probably worth it.
On design, two new finishes join the lineup: a redesigned Gold in a lighter, more modern shade, and Deep Rose, a copper-rose option that I can see being very popular.
The ring is IP68 rated to 100 metres and Oura says scratch resistance is improved over previous generations.
The Oura Ring 5 is available to pre-order now, with shipping beginning June 4.
Pricing starts at US$399 / £399 for Silver and Black, and US$499 / £499 for premium finishes including Gold, Stealth, Brushed Silver, and Deep Rose.
The membership remains US$5.99 / £5.99 per month or US$69.99 / £69.99 per year.
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