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
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Oura Ring 4 Ceramic
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: Ring 4 Ceramic
- Metrics Tracked: Sleep phases, Breathing, Heart-rate variability, Skin temperature
- Exterior Material: Zirconia ceramic
The OURA Ring 4 Ceramic is a smart ring with a zirconia ceramic exterior. Seller descriptions state that it tracks sleep-related and other health metrics, which are presented in the Oura app.
