vs
4.9Health tracking4.9
Why is Ecowatch 4 better than Series 29 AMOLED Smart Calling Watch?
Ecowatch 4 has no measurable advantages in this pair.
Why is Series 29 AMOLED Smart Calling Watch better than Ecowatch 4?
Series 29 AMOLED Smart Calling Watch has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 51 mm |
| Weight | 45 g | — |
| Strap material | Silikon | Silikon |
| Colours | Black | Blue, Black |
| Display | ||
| Screen size | 1.85″ | — |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 390 px | — |
| Resolution (height) | 450 px | — |
| Battery | ||
| Battery capacity | 260 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | heart rate, SpO2 | SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GPS |
| Connectivity | ||
| Bluetooth | 5 | 5.1 |
| Platform | ||
| Works with | — | iOS, Android |
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