Why is CMF Buds better than C30i?
- Active noise cancellingYes · C30i: No
- Total with charging case36 h vs 30 h+18%
- Driver size12.4 mm vs 12 mm+3%
Why is C30i better than CMF Buds?
- Battery life8 h vs 10 h+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12.4 mm | 12 mm |
| Number of drivers | — | 1 |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 4 | — |
| Battery & charging | ||
| Battery life | 8 h | 10 h |
| Total with charging case | 36 h | 30 h |
| Quick charge (claimed) | — | 10 min → 5 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | — | LDAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | Yes | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | — | White, Black |
| Features | ||
| Touch controls | — | Yes |
