Why is P31i better than N3 Pro?
- Battery life10 h vs 5.5 h+82%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · N3 Pro: No
- LDACYes · N3 Pro: No
- Bluetooth version6.1 vs 5.4+13%
Why is N3 Pro better than P31i?
N3 Pro has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 10 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 40,000 Hz | — |
| Impedance | — | 32 Ω |
| Sensitivity | — | 107 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Noise reduction (claimed) | 52 dB | — |
| Microphones | 6 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 5.5 h |
| Battery life with ANC | 40 h | — |
| Total with charging case | 50 h | — |
| Quick charge (claimed) | 10 min → 3,5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6.1 | 5.4 |
| Bluetooth codecs | LDAC, 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 |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 39 g |
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Colours | Midnight Black, Pearl White, Light Blue, Rose Gold | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









