Your Oura Ring 4 size can be found on the inside of your Oura Ring 4.
Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level.
You can check the battery level by tapping the battery icon in the upper right-hand corner of the Home tab.
It’s recommended that your Oura Ring 4 be charged to at least 30% before going to bed.
Connect the USB cable to your charging dock and plug the other end into a power source, such as a USB wall plug, laptop, or power brick.
The LED will pulse white while your smart ring is charging.
When the LED turns green, your ring is fully charged. You’ll receive a push notification from your Oura App when charging is complete. This also applies for low battery notifications.
If the LED doesn't light up, check to see that your charger’s cable is properly connected and your ring is positioned correctly, ensuring good contact between your ring and the dock.
The USB charging power cord is intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
Customers often highlight the overall performance and portability of this product, noting that it works reliably and is easy to carry. Users also appreciate the efficient charging speed and the high-quality design that mirrors the original equipment. Additionally, the product is praised for its secure fit and impressive battery life, which provides several days of use on a single charge.
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