Why is BK92 better than Comfo Flex?
- Battery capacity200 mAh vs 70 mAh2.9×
Why is Comfo Flex better than BK92?
- Water resistance (IPx)IPx4 vs IPx5+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Sensitivity | — | 90 dB |
| Noise control | ||
| Active noise cancelling | No | — |
| Battery & charging | ||
| Battery life | — | 10 h |
| Total with charging case | — | 40 h |
| Battery capacity | 200 mAh | 70 mAh |
| Charging time | 4.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | White, Blue | — |
