Samsung
Samsung
Samsung Galaxy Watch8
Check price at stores
- Gemini
- Sleep, ECG, antioxidant index
- Built in
- Android
9 storesFull specs & prices →
Oura
Wearables
Oura
Oura Ring 4
The most polished smart ring app, turning sleep, heart rate and temperature into one clear daily score. Needs a membership.
See price at stores
Lowest price we found, on Brand store
Launched October 15, 2024
- TracksSleep, readiness, activity
- BatteryUp to 8 days
- Works withiPhone & Android
- SubscriptionMembership required
Buy from
Amazon
Go to storeSee price
Brand store
Go to storeSee price
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Pros and cons
Pros
- Best-in-class app
- Works with iPhone and Android
Cons
- Most features need a paid membership
Oura Ring 4 full specifications
Health
- Tracks
- Sleep, heart rate, HRV, temperature, blood oxygen
Battery
- Battery life
- Up to 8 days
Design
- Material
- Titanium
Specifications are from the manufacturer and can differ by region or variant.
Featured in our guides
Frequently asked questions
Where can I buy Oura Ring 4?
Oura Ring 4 is available from Amazon, Brand store.
What are the key specs of Oura Ring 4?
Tracks: Sleep, readiness, activity. Battery: Up to 8 days. Works with: iPhone & Android. Subscription: Membership required.
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