vs
2.1Display4.9
4.9Health tracking4.9
Dimensions
Size comparison
BTIONWATCHPROSKSeries 31 Smartwatch
| BTIONWATCHPROSK | Series 31 Smartwatch | Difference | |
|---|---|---|---|
| Case size | 46 mm | 35 mm | +11 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is BTIONWATCHPROSK better than Series 31 Smartwatch?
BTIONWATCHPROSK has no measurable advantages in this pair.
Why is Series 31 Smartwatch better than BTIONWATCHPROSK?
- AMOLED / OLED displayNo · BTIONWATCHPROSK: Yes
- Screen size1″ vs 1.19″+19%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 35 mm |
| Case material | Plastic / polymer | Aluminium |
| Lens / cover glass | — | Mineralglas Mineralglas |
| Strap material | Kunststoff | Aluminium |
| Colours | Black | Black |
| Display | ||
| Screen size | 1″ | 1.19″ |
| Display technology | LCD | AMOLED |
| Panel | TFT | AMOLED |
| AMOLED / OLED display | No | Yes |
| Battery | ||
| Battery capacity | 260 mAh | — |
| Battery type | Li-Po | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2, accelerometer | SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| LTE (cellular) | — | Yes |
| Bluetooth | 4 | 5.2 |
| Platform | ||
| Operating system | Proprietär | — |
| Platform | Proprietary | — |
| Works with | iOS, Android | iOS, Android |
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