Dimensions
Size comparison
Band 8JR-FV2
| Band 8 | JR-FV2 | Difference | |
|---|---|---|---|
| Case size | 24.5 mm | 47.5 mm | −23 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Band 8 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 8?
- Resolution (width)368 px vs 466 px+27%
Specifications
Side by side
| Design & durability | ||
| Case size | 25 mm | 48 mm |
| Weight | 14 g | — |
| Thickness | 9 mm | — |
| Case material | Plastic / polymer | — |
| Lens / cover glass | 2.5D-Glas | — |
| Water resistance | 5 ATM | — |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Colours | — | Silver |
| Display | ||
| Screen size | 1.47″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 368 px | 466 px |
| Resolution (height) | 194 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 12 days |
| Battery capacity | — | 300 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2 |
| Connectivity | ||
| Bluetooth | 5 | — |
| Platform | ||
| Works with | Android, iOS | — |
