vs
5.3Noise control & calls9.2
9.4Battery8.5
Why is CMF Buds 2 better than Buds Air 3?
- Battery life13 h vs 10 h+30%
- Water resistance (IPx)IPx5 vs IPx4+25%
- Total with charging case55 h vs 50 h+10%
Why is Buds Air 3 better than CMF Buds 2?
Buds Air 3 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | 11 mm | — |
| Sensitivity | 48 dB | — |
| Spatial / 3D audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 13 h | 10 h |
| Battery life with ANC | 32 h | — |
| Total with charging case | 55 h | 50 h |
| Battery capacity | 53 mAh | — |
| Charging time | 1.5 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | — |
| Low-latency game mode | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 4.5 g | — |
| Protection rating | IP55 | IP54 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |



