vs
8.5Noise control & calls8.9
8.8Battery9.2
Why is Air Pro 4+ better than P31i?
- Battery life12 h vs 10 h+20%
- aptXYes · P31i: No
- Total with charging case54 h vs 50 h+8%
Why is P31i better than Air Pro 4+?
- Noise reduction (claimed)50 dB vs 52 dB+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 10 mm | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | Yes |
| Noise reduction (claimed) | 50 dB | 52 dB |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | 6 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 12 h | 10 h |
| Battery life with ANC | — | 40 h |
| Total with charging case | 54 h | 50 h |
| Battery capacity | 54 mAh | — |
| Charging time | 1 h | — |
| Quick charge (claimed) | 10 min → 2 h | 10 min → 3,5 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6.1 |
| Bluetooth codecs | aptX Lossless, aptX Adaptive, LDAC, LC3, SBC | LDAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| Auracast | Yes | — |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Midnight Black, Pearl White, Light Blue, Rose Gold |
| Features | ||
| Touch controls | — | Yes |
| Wear detection (auto pause) | Yes | — |
| Hands-free calls | — | Yes |
