vs
4.1Health tracking4.1
Why is FitRing Air better than Smart Ring ONE?
- Battery life (smartwatch mode)6 days vs 4 days+50%
Why is Smart Ring ONE better than FitRing Air?
Smart Ring ONE has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Weight | 3.5 g | — |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 atm / 50 m | 5 atm |
| Colours | Silver | — |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | 4 days |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| HRV tracking | — | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
