7.4Health tracking4.1
Why is Pro V3 better than Smart Ring ONE?
- Battery life (smartwatch mode)7 days vs 4 days+75%
Why is Smart Ring ONE better than Pro V3?
Smart Ring ONE has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Weight | 3.7 g | — |
| Water resistance | — | 5 ATM |
| Water rating (maker) | — | 5 atm |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 4 days |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | — |
| HRV tracking | Yes | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2 |
