vs
7.2Build & durability2.8
Why is Gen2 Air better than Smart Ring?
- Battery life (smartwatch mode)10 days vs 7 days+43%
- Water resistance10 ATM vs 5 ATM2×
- Weight3 g vs 5 g+67%
Why is Smart Ring better than Gen2 Air?
Smart Ring has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Weight | 3 g | 5 g |
| Water resistance | 10 ATM | 5 ATM |
| Water rating (maker) | 10 atm / 100 m | 5 atm / 50 m |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 7 days |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | — |
| Sensors | SpO2, accelerometer | heart rate, SpO2, accelerometer |
