Why is Helio Ring better than 4?
Helio Ring has no measurable advantages in this pair.
Why is 4 better than Helio Ring?
- Battery life (smartwatch mode)4 days vs 7 days+75%
Specifications
Side by side
| Design & durability | ||
| Weight | — | 3 g |
| Case material | Titanium | — |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | — | 10 atm / 100 m |
| Display | ||
| Display technology | No display | — |
| Battery | ||
| Battery life (smartwatch mode) | 4 days | 7 days |
| Wireless charging | Yes | — |
| Charging | Wireless charging | — |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | No | — |
| Platform | ||
| Platform | Proprietary | — |
| Works with | iOS, Android | — |
