Dimensions
Size comparison
Band 9JR-FV2
| Band 9 | JR-FV2 | Difference | |
|---|---|---|---|
| Case size | 24.9 mm | 47.5 mm | −22.6 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Band 9 better than JR-FV2?
- Battery life (smartwatch mode)14 days vs 12 days+17%
- Screen size1.47″ vs 1.43″+3%
Why is JR-FV2 better than Band 9?
- Resolution (width)194 px vs 466 px2.4×
- Battery capacity180 mAh vs 300 mAh+67%
Specifications
Side by side
| Design & durability | ||
| Case size | 25 mm | 48 mm |
| Weight | 23 g | — |
| Thickness | 9 mm | — |
| Height | 43.4 mm | — |
| Width | 24.9 mm | — |
| Water resistance | 5 ATM | — |
| Colours | — | Silver |
| Display | ||
| Screen size | 1.47″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 194 px | 466 px |
| Resolution (height) | 368 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 12 days |
| Battery capacity | 180 mAh | 300 mAh |
| Battery type | Li-Po | — |
| Wireless charging | Yes | — |
| Charging | kabellos, magnetische Ladeschale | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, accelerometer, ambient light | heart rate, SpO2 |
| Sports & navigation | ||
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| Bluetooth | 5 | — |
| Platform | ||
| Works with | iOS, Android | — |









