Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Oura Ring 4 Ceramic smart ring
No current offers
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Oura Oura Ring 4 Ceramic Petal
Last known price: RUB 49,990.00 (RUB)
Price source: re:Store
Price record dated 10/20/26
Saved price in the source currency; not a current offer. The date refers to the price record, not a stock check.
Product details
General specs
- Brand: Oura
- Model: Oura Ring 4 Ceramic
- Material: Zirconia ceramic
- Analyzed metrics: Sleep phases, Breathing, Heart-rate variability, Skin temperature
- Comparison with standard Oura Ring 4: Same sensors, battery, and measurement accuracy; slightly thicker
Oura Ring 4 Ceramic is a smart ring made of zirconia ceramic. It analyzes sleep phases, breathing, heart-rate variability, and skin temperature, with metrics presented in the Oura app.
