Why is Comfo C better than Rail?
- Driver size12 mm vs 6 mm2×
- Water resistance (IPx)IPx6 vs IPx5+20%
- Bluetooth version5.4 vs 5.2+4%
Why is Rail better than Comfo C?
- Battery life7 h vs 9 h+29%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | 12 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | 90 dB | 100 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 9 h |
| Total with charging case | 28 h | — |
| Charging time | 1 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.2 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | — | 49 g |
| Protection rating | IP56 | IP55 |
| Water resistance (IPx) | IPx6 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Hands-free calls | — | Yes |
