vs
6.3Display5.1
5.5Health tracking5.5
Why is JR-FV2 better than Band Style?
- Resolution (width)466 px vs 126 px3.7×
- Battery capacity300 mAh vs 100 mAh3×
- Screen size1.43″ vs 1.1″+30%
Why is Band Style better than JR-FV2?
Band Style has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | — |
| Lens / cover glass | — | 2.5D-Glas |
| Strap material | — | Kautschuk |
| Colours | Silver | — |
| Display | ||
| Screen size | 1.43″ | 1.1″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 126 px |
| Resolution (height) | 466 px | 294 px |
| Battery | ||
| Battery life (smartwatch mode) | 12 days | 12 days |
| Battery capacity | 300 mAh | 100 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| Bluetooth | — | 5 |
| Platform | ||
| Works with | — | Android |
| Chipset | — | Ambiq Apollo3 |
