Why is Comfo C better than Sport X20?
- Charging time1 h vs 3 h3×
- Driver size12 mm vs 11 mm+9%
Why is Sport X20 better than Comfo C?
- Battery life7 h vs 12 h+71%
- Total with charging case28 h vs 48 h+71%
- Water resistance (IPx)IPx6 vs IPx8+33%
- Dust protection (IP)5 vs 6+20%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | 90 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 12 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | 28 h | 48 h |
| Charging time | 1 h | 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 6.5 g |
| Protection rating | IP56 | IP68 |
| Water resistance (IPx) | IPx6 | IPx8 |
| Dust protection (IP) | 5 | 6 |
| Colours | — | Black, White, Green |
| Features | ||
| Hands-free calls | — | Yes |









