Dimensions
Size comparison
BFH-19FW34
| BFH-19 | FW34 | Difference | |
|---|---|---|---|
| Case size | 42 mm | 23 mm | +19 mm |
| Weight | 66 g | 24 g | +42 g |
Drawn to the same scale from the official dimensions (front and side).
Why is BFH-19 better than FW34?
BFH-19 has no measurable advantages in this pair.
Why is FW34 better than BFH-19?
- Weight66 g vs 24 g2.8×
- Screen size0.96″ vs 1.08″+13%
- Battery capacity90 mAh vs 105 mAh+17%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | — |
| Weight | 66 g | 24 g |
| Thickness | — | 11 mm |
| Height | — | 43 mm |
| Width | — | 23 mm |
| Case material | Plastic / polymer | Aluminium |
| Strap material | Silikon | — |
| Water rating (maker) | — | 1 m |
| Colours | Black | Silver |
| Display | ||
| Screen size | 0.96″ | 1.08″ |
| Display technology | LCD | LCD |
| Panel | LCD | TFT |
| AMOLED / OLED display | No | No |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | — |
| Battery capacity | 90 mAh | 105 mAh |
| Battery type | Li-Po | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate, SpO2 |
| Connectivity | ||
| Wi-Fi | Wi-Fi 1 | — |
| Bluetooth | 4.2 | 4 |
| Platform | ||
| Works with | iOS, Android | — |









