vs
9.3Noise control & calls8.9
Why is Choice Earbuds S7 better than P31i?
Choice Earbuds S7 has no measurable advantages in this pair.
Why is P31i better than Choice Earbuds S7?
- Total with charging case36 h vs 50 h+39%
- Water resistance (IPx)IPx4 vs IPx5+25%
- Bluetooth version5.3 vs 6.1+15%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Number of drivers | 2 | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Sensitivity | 91 dB | — |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | 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 |
| Battery life with ANC | — | 40 h |
| Total with charging case | 36 h | 50 h |
| Charging time | 3 h | — |
| Quick charge (claimed) | — | 10 min → 3,5 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 6.1 |
| Bluetooth codecs | LDAC, AAC, SBC | LDAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Protection rating | IP54 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Midnight Black, Pearl White, Light Blue, Rose Gold |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
