Dimensions
Size comparison
JR-FV2FW34
| JR-FV2 | FW34 | Difference | |
|---|---|---|---|
| Case size | 47.5 mm | 23 mm | +24.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is JR-FV2 better than FW34?
- AMOLED / OLED displayYes · FW34: No
- Battery capacity300 mAh vs 105 mAh2.9×
- Screen size1.43″ vs 1.08″+32%
Why is FW34 better than JR-FV2?
FW34 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | — |
| Weight | — | 24 g |
| Thickness | — | 11 mm |
| Height | — | 43 mm |
| Width | — | 23 mm |
| Case material | — | Aluminium |
| Water rating (maker) | — | 1 m |
| Colours | Silver | Silver |
| Display | ||
| Screen size | 1.43″ | 1.08″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | TFT |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 466 px | — |
| Resolution (height) | 466 px | — |
| Battery | ||
| Battery life (smartwatch mode) | 12 days | — |
| Battery capacity | 300 mAh | 105 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
| Connectivity | ||
| Bluetooth | — | 4 |









