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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Oura’s Symptom Radar looks for changes in your ring data that may indicate strain and may prompt you to prioritize rest and recovery. It can surface signals associated with common respiratory illnesses, such as colds or flu, but it cannot tell you that you are sick or diagnose an illness.
Oura says the feature requires a Gen3 or newer ring, an active membership, and at least seven nights of sleep data in the past 14 days. A warning is not proof of illness, and no warning does not prove you are well.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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Milavan Smart Health Ring Fitness Tracker for Men Women, Rose Gold 8 | $49.99 | Buy on Amazon |
What Oura Symptom Radar checks
Oura says Symptom Radar looks at changes in biometric data over time. Its listed measures include average body temperature, respiratory rate, resting heart rate, heart-rate variability, and inactive time. It uses combinations of readings rather than treating one measurement as a diagnosis.
The feature reports whether it sees no signs, minor signs, or major signs of strain. When it identifies signs, its guidance is to focus on rest and recovery. That is a wellness prompt, not a medical conclusion.
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- 【Size Before You Buy】Before purchasing the Milavan Smart Ring, we recommend referring to the size chart and carefully measuring your finger circumference. This helps ensure a comfortable fit and avoid unnecessary returns or exchanges
- 【Wellness Tracking】The slim ring features advanced 4.0 sensors that automatically track your heart rate every 30 minutes while worn. Daily data is available in the app for reference only and is not intended for medical use
- 【Intelligent Sleep Tracker】The fitness ring automatically tracks your sleep quality, including deep and light sleep, REM (eye movement), and awake periods. You can view all sleep data anytime in the app for daily reference
- 【8 Sports Modes Tracking】Supports 8 sports modes, including Running, Cycling, Jump Rope, Walking, Hiking, Yoga, Dancing, and Golf. View workout duration, steps, heart rate, speed, calories burned, distance, and other activity data in the app
- 【Stylish Fitness Companion】Featuring a slim 2mm profile and a specially polished inner surface, this smart ring is designed for comfortable all-day wear and most sports activities. View detailed workout data in the app after selecting a sport mode
Who can use Symptom Radar
| Requirement | Current guidance from Oura |
|---|---|
| Ring | Gen3 or newer; Gen2 and older are not supported. |
| Membership | An active Oura membership is required. |
| Recent sleep data | At least seven nights in the past 14 days, including the most recent night. |
| Phone platform | Available on iOS and Android. |
| App location | Oura says it appears in Health Radar for members in the US, India, and UAE whose app language is English; elsewhere it is in Vitals. Availability and app navigation may change. |
Oura says a result may appear on the Today screen. Members can also access the feature through Vitals or, in supported Health Radar regions, the My Health experience. [Oura Symptom Radar guidance]
How to check your Symptom Radar result
- Wear your ring while sleeping so Oura can collect recent sleep data.
- Open the Today screen, or find Symptom Radar in Vitals or the supported Health Radar experience.
- Review whether Oura reports no, minor, or major signs of strain.
- If Oura reports strain, treat it as a reason to consider rest and recovery, not as proof of a particular illness.
- If the app says data is missing or insufficient, continue wearing the ring at night and check that it fits correctly and your profile information is current.
Rest Mode is optional. Oura says it pauses activity scoring and goals while Symptom Radar continues monitoring. Oura also advises not changing medication, nutrition, or workouts without consulting a medical professional. [Oura Symptom Radar guidance]
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What a warning does—and does not—mean
A Symptom Radar warning means Oura found changes that may indicate strain. Oura says the feature can surface early signs associated with common respiratory illnesses such as colds or flu, but it is not always perfect. As Oura cautions, “You may receive a warning even if you feel fine or feel unwell without seeing a warning.” [Oura Symptom Radar guidance]
Pregnancy can affect biometric baselines and reduce accuracy, and Oura says the feature may not work optimally for people with pre-existing medical conditions. Symptom Radar and Readiness use some of the same data but serve different purposes, so their results can disagree. A concerning symptom or health decision should be discussed with a qualified medical professional.
How to interpret claims about early detection
Oura’s 2025 whitepaper reports that the pandemic-era TemPredict study found the Oura Ring could detect COVID-19 an average of 2.75 days before participants sought diagnostic testing. That company-reported study result is not a promise that current Symptom Radar will alert any individual that far ahead. The reviewed sources do not establish independent sensitivity or specificity figures for the current feature. [Oura, Rethinking Care Delivery at Scale]
The feature’s original rollout is also not new: Wareable reported on December 12, 2024 that rollout to Oura Ring 4 and Gen3 was underway. Current availability should be checked against Oura’s eligibility guidance rather than described as a rollout happening now. [Wareable, December 12, 2024]
FAQ
Can an Oura Ring tell me whether I’m sick?
No. Symptom Radar flags changes that may indicate strain; it does not diagnose illness. A warning can appear when you feel fine, and you can feel unwell without receiving one.
How much recent sleep data does Symptom Radar need?
Oura says it needs at least seven nights of sleep data in the past 14 days, including the most recent night.
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Which Oura Rings support Symptom Radar?
Oura lists Gen3 or newer with an active membership. Gen2 and older rings are not supported.
What should I do if Oura reports signs of strain?
Oura recommends prioritizing rest and recovery. Treat the result as a wellness signal, not a diagnosis; consult a medical professional about concerning symptoms or health decisions.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
