Oura Ring 4 Ceramic
Smart ring · iOS and Android
- Cheapest price
- £279.30
- Subscription
- £69.99/yr
- Over 3 years
- £489.27
Prices
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What it measures
- Heart rate
- Resting heart rate
- HRV
- Sleep stages
- Deep sleep
- Blood oxygen
- VO2 max
- Breathing rate
- Skin temperature
- Readiness score
- Steps
- ECG (no)
- GPS (no)
- Blood pressure (limited)
- Cycle tracking
As ouraring.com states it.
What it does
The Oura Ring 4 with a zirconia ceramic exterior over a seamless titanium interior, in four colours. It carries the same LEDs, temperature sensor and accelerometer as the titanium Ring 4 and shows the same sleep, readiness and activity data in the Oura app.
From the description on ouraring.com.
Oura Ring 4 Ceramic specs
- Type
- Smart ring
- Works with
- iOS and Android
- Battery
- 5 to 8 days (maker's claim)
- Water resistance
- Water resistant to 100 m
- Width
- 7.9 mm
- Thickness
- 3.51 mm
- Weight
- 5.1 to 8.1 g, depending on ring size
- Materials
- Zirconia ceramic exterior, seamless titanium interior
- Sensors
- Red, green and infrared LEDs, digital temperature sensor, accelerometer
- Connectivity
- Bluetooth Low Energy; supports airplane mode
- Charging time
- Typically 20 to 80 minutes, depending on battery level
- Colours
- Midnight, Cloud, Tide, Petal
- In the box
- Ring, size-specific charger, USB-C cable, ceramic polishing pad
Further specs from ouraring.com.
How it compares
- To buy, it is the 4th cheapest of 8 smart rings we compare (the middle one costs £279.65).
- Over three years, subscription included, it is the 7th cheapest of 8 smart rings.
- It measures 5 of the 8 features we compare; the middle smart ring measures 5.
- It needs a subscription, as 2 of the other 7 do.
Oura Ring 4 Ceramic reviews and discussions
Reviews
- The National review of the Oura Ring 4 Ceramic 2026-01
- TechCrunch review of the Oura Ring 4 Ceramic 2025-11
- Tech Advisor review of the Oura Ring 4 Ceramic
Which?
- Which? tests of this kind of product members' content
Links to other sites' reviews and discussions; we do not run them and they are not ours.
Subscription
- Oura Membership required: £69.99 a year (£5.99 a month).
- Adds: Scores, insights, trends and Oura Advisor in the app; first month free
- Source: ouraring.com
Questions
- Where is the Oura Ring 4 Ceramic cheapest?
- Oura, at £279.30 when checked on 2026-10-29.
- Does the Oura Ring 4 Ceramic need a subscription?
- Oura Membership required: £69.99 a year. It adds: Scores, insights, trends and Oura Advisor in the app; first month free
- What does the Oura Ring 4 Ceramic cost over three years?
- £489.27, the price plus any required subscription.
- How does the Oura Ring 4 Ceramic compare with other smart rings?
- To buy, it is the 4th cheapest of 8 smart rings we compare (the middle one costs £279.65). Over three years, subscription included, it is the 7th cheapest of 8 smart rings. It measures 5 of the 8 features we compare; the middle smart ring measures 5.
Compare with
- 1
- 3 years
- £399
- Price
- £399
- Subscription
- None
- 2
- 3 years
- £429
- Price
- £429
- Subscription
- Optional
- 3
- 3 years
- £453.97
- Price
- £244
- Subscription
- £69.99 a year
Readings are not a diagnosis. If you are worried about your health, speak to your GP, pharmacist or NHS 111. How we earn.