3.8Health tracking7.3
Why is R03 better than Smart Ring?
- Battery life (smartwatch mode)7 days vs 5 days+40%
Why is Smart Ring better than R03?
Smart Ring has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Weight | 4.7 g | — |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 atm / 50 m | 5 atm / 50 m |
| Colours | — | Black |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 5 days |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | — | Yes |
| HRV tracking | — | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2 |
