vs
4.9Sound6.6
7.0Noise control & calls7.9
8.9Battery9.2
Why is CMF Headphone Pro better than Q31i?
- Battery life100 h vs 80 h+25%
Why is Q31i better than CMF Headphone Pro?
- Highest frequency20,000 Hz vs 40,000 Hz2×
- Bluetooth version5.4 vs 6+11%
- Weight283 g vs 267 g+6%
Specifications
Side by side
| Sound | ||
| Driver type | — | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | — | 16 Ω |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 5 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 100 h | 80 h |
| Battery life with ANC | 50 h | — |
| Battery capacity | 720 mAh | — |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | 5 min → 8 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6 |
| Bluetooth codecs | LDAC, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Weight | 283 g | 267 g |
| Protection rating | IPX2 | — |
| Water resistance (IPx) | IPx2 | — |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |
