Editor's Choice
Oura Ring Gen 4
A
Wearable ring HRV Tracking temperature SpO2 Monitoring
$349 Requires $6/mo membership
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A
Evidence Rating: A
Strong scientific evidence from multiple peer-reviewed studies
Learn about our rating methodology →What We Like
- Most comfortable sleep wearable
- Excellent sleep stage accuracy
- Tracks body temperature trends
- No screen—no distractions
What Could Be Better
- Requires monthly subscription
- Ring sizing can be tricky
- No real-time heart rate display
Specifications
Type Ring
Battery Life 5-7 days
sleepStages Yes
hrv Yes
temperature Yes
spo2 Yes
Subscription $6/month
Ready to improve your sleep?
Check the latest price and availability for the Oura Ring Gen 4.
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