Now available: Oura Ring 5
6.7.2026
Translation: machine translated
The Oura Ring 5 is slimmer and lighter than its predecessor and comes in revised colors. The battery is said to last up to nine days. Before buying, you should test the right size with the sizing kit.
Smartwatches collect a lot of health data, but can be disruptive at night. The Oura Ring 5 therefore moves the measurement to the finger. Among other things, it records sleep, heart rate, activity, skin temperature and oxygen saturation.
The ring is the direct successor to the Oura Ring 4. Oura has primarily made the casing narrower and lighter. The new ring measures 6.09 millimeters in width and 2.28 millimeters in thickness. The casing is made of titanium inside and out.
Oura has also revised the color variants. Silver, Black, Stealth, Brushed Silver, Gold and Deep Rose are available. An overview of all variants of the Oura Ring 5 can be found here.
Evaluations of sleep, activity and recovery
From the collected data, the Oura app creates analyses of sleep, activity and recovery. It also displays stress phases and longer-term developments of the measured values. For many detailed functions, you need a paid Oura membership. This costs 5.99 Swiss francs per month or 69.99 Swiss francs per year.
According to the manufacturer, the battery lasts six to nine days. The casing is protected up to a water depth of 100 meters. You can therefore easily wear the Oura Ring 5 while showering and swimming.
You can find more about the functions and the presentation in our news about the Oura Ring 5 by my colleague Lorenz.
Test the size before buying
Oura has reduced the size selection compared to its predecessor. Sizes 5, 14 and 15 have been discontinued. The sizes do not correspond to those of ordinary rings. Therefore, when buying, do not rely on the size specifications of your existing jewelry rings, but first order the Sizing Kit for the Oura Ring 5.
The included plastic models correspond to the dimensions of the actual product. Wear the appropriate variant for at least 24 hours and also overnight. This way you will notice whether it fits comfortably throughout the day.
The fit is also important for the measurements. The model should fit snugly against the skin without pressing or turning by itself. Therefore, only order the Oura Ring 5 after this trial period.
Even if you already own an older Oura Ring, you should use the new Sizing Kit. Due to its revised casing, the Oura Ring 5 fits differently than earlier models. The same size specification therefore does not guarantee the same fit.
Header image: Oura
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