vs
8.5Battery4.4
Why is Comfo Flex better than Accentum Open?
- Battery life10 h vs 6 h+67%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Accentum Open: No
- Highest frequency40,000 Hz vs 15,000 Hz2.7×
- Total with charging case40 h vs 28 h+43%
- Water resistance (IPx)IPx5 vs IPx4+25%
- LDACYes · Accentum Open: No
- Lowest frequency20 Hz vs 25 Hz+25%
Why is Accentum Open better than Comfo Flex?
Accentum Open has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | — | 11 mm |
| Lowest frequency | 20 Hz | 25 Hz |
| Highest frequency | 40,000 Hz | 15,000 Hz |
| Sensitivity | 90 dB | 109 dB |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Microphones | — | 2 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 10 h | 6 h |
| Total with charging case | 40 h | 28 h |
| Battery capacity | 70 mAh | — |
| Charging time | — | 1 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | LDAC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 8.7 g |
| Protection rating | IP55 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | — |
| Colours | — | Cream, Black, Blush |
| Features | ||
| Touch controls | — | Yes |
| Wear detection (auto pause) | — | Yes |
| Hands-free calls | — | Yes |
