Why is Solo Buds better than Air Pro 4?
- Battery life18 h vs 11 h+64%
Why is Air Pro 4 better than Solo Buds?
- Total with charging case18 h vs 52 h2.9×
- Earbud weight (each)5.7 g vs 5.2 g+10%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | — | Dynamic |
| Driver size | — | 10 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 18 h | 11 h |
| Battery life with ANC | — | 7.5 h |
| Total with charging case | 18 h | 52 h |
| Battery capacity | — | 54 mAh |
| Charging time | — | 1 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | — | LDAC, aptX Lossless, aptX |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | Yes |
| Latency | — | 50 ms |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 5.7 g | 5.2 g |
| Protection rating | — | IPX5 |
| Water resistance (IPx) | — | IPx5 |
| Features | ||
| Touch controls | — | Yes |
| Wear detection (auto pause) | — | Yes |
| Hands-free calls | Yes | Yes |









