vs
8.5Battery4.6
Why is Comfo Flex better than FreeBuds Pro 4?
- Battery life10 h vs 7 h+43%
- Water resistance (IPx)IPx5 vs IPx4+25%
- Total with charging case40 h vs 33 h+21%
- Bluetooth version5.4 vs 5.2+4%
- Battery capacity70 mAh vs 55 mAh+27%
Why is FreeBuds Pro 4 better than Comfo Flex?
- Lowest frequency20 Hz vs 14 Hz+43%
- Highest frequency40,000 Hz vs 48,000 Hz+20%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Planar magnetic |
| Driver size | — | 11 mm |
| Number of drivers | — | 2 |
| Lowest frequency | 20 Hz | 14 Hz |
| Highest frequency | 40,000 Hz | 48,000 Hz |
| Sensitivity | 90 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 10 h | 7 h |
| Battery life with ANC | — | 5 h |
| Total with charging case | 40 h | 33 h |
| Battery capacity | 70 mAh | 55 mAh |
| Charging time | — | 2.5 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.2 |
| Bluetooth codecs | LDAC, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 5.8 g |
| Protection rating | IP55 | IP54 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
