Why is CMF Buds 2 better than B3?
- Battery life13 h vs 5.5 h2.4×
- Driver size11 mm vs 10 mm+10%
Why is B3 better than CMF Buds 2?
B3 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 11 mm | 10 mm |
| Impedance | — | 32 Ω |
| Sensitivity | 48 dB | 98 dB |
| Spatial / 3D audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 13 h | 5.5 h |
| Battery life with ANC | 32 h | — |
| Total with charging case | 55 h | — |
| Battery capacity | 53 mAh | — |
| Charging time | 1.5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Weight | — | 50 g |
| Earbud weight (each) | 4.5 g | — |
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
