Why is BFH-19 better than Band 4e?
- Screen size0.96″ vs 0.5″+92%
- Battery capacity90 mAh vs 77 mAh+17%
Why is Band 4e better than BFH-19?
- Battery life (smartwatch mode)7 days vs 14 days2×
- AMOLED / OLED displayNo · BFH-19: Yes
- Weight66 g vs 35 g+89%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | — |
| Weight | 66 g | 35 g |
| Case material | Plastic / polymer | — |
| Strap material | Silikon | Kunststoff |
| Water resistance | — | 5 ATM |
| Water rating (maker) | — | 40 m / 5 bar / 5 ATM |
| Colours | Black | — |
| Display | ||
| Screen size | 0.96″ | 0.5″ |
| Display technology | LCD | OLED |
| Panel | LCD | PMOLED |
| AMOLED / OLED display | No | Yes |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 14 days |
| Battery capacity | 90 mAh | 77 mAh |
| Battery type | Li-Po | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Sleep tracking | Yes | Yes |
| Connectivity | ||
| Wi-Fi | Wi-Fi 1 | — |
| Bluetooth | 4.2 | 4.2 |
| Platform | ||
| Operating system | — | Proprietär |
| Platform | — | Proprietary |
| Works with | iOS, Android | iOS, Android |
| Chipset | — | Ambiq Apollo3 |
