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Why is RA08-2118 Series 8 Activity Tracker better than Siona 2?
RA08-2118 Series 8 Activity Tracker has no measurable advantages in this pair.
Why is Siona 2 better than RA08-2118 Series 8 Activity Tracker?
- Screen size1″ vs 1.3″+30%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 42 mm |
| Thickness | 7 mm | 6.9 mm |
| Strap material | Silikon | — |
| Colours | Gold, Black | — |
| Display | ||
| Screen size | 1″ | 1.3″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 2 days |
| Battery capacity | — | 150 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | — | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| Bluetooth | 2 | 5 |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 8 GB | — |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
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