Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
opove O Ring Smart Ring
Product details
General specs
- Brand: opove
- Model: O Ring
Starting from €214.19
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| Brand | opove | VAMOTRA | ZBNMY | BENIO | Sqrutri | VAMOTRA |
| Model | O Ring | Gen4 | R26 | |||
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| Price | €214.19 | €35.69 | €88.36 | €41.05 | €79.42 | €35.69 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | May 20, 2026 | May 29, 2026 | Apr 27, 2026 | May 20, 2026 | Apr 17, 2026 |
| Size | 10 | #6 | 7 | 9 | 9 | |
| Weight | 0.007 lbs | Lightweight | N/A | |||
| Sensors | Heart rate, Blood oxygen, HRV | 4.0 sensors | Heart Rate, Blood Oxygen, Blood Pressure, HRV | |||
| Compatibility | Android, iOS | iPhone, Android | iOS, Android | iOS, Android | iPhone, Android | |
| Water Resistance | 5ATM (water resistant up to 164 ft) | Yes | 10ATM | |||
| Gender | Unisex | Unisex | Women, Men | |||
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