vs
Why is CMF Buds 2 Plus better than B3?
- Battery life14 h vs 5.5 h2.5×
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · B3: No
- LDACYes · B3: No
- Driver size12 mm vs 10 mm+20%
Why is B3 better than CMF Buds 2 Plus?
B3 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 10 mm |
| Impedance | — | 32 Ω |
| Sensitivity | — | 98 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 14 h | 5.5 h |
| Battery life with ANC | 33 h | — |
| Total with charging case | 62 h | — |
| Battery capacity | 53 mAh | — |
| Charging time | 4.5 h | — |
| Quick charge (claimed) | 10 min → 4,5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | LDAC, AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | 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 |








