Why is Buds 4 better than Buds Air7?
- Charging time1.2 h vs 7 h5.8×
Why is Buds Air7 better than Buds 4?
- Battery life11 h vs 13 h+18%
- Microphones2 vs 63×
- Battery life with ANC6 h vs 7 h+17%
- Total with charging case45 h vs 52 h+16%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 12.4 mm |
| Lowest frequency | 15 Hz | — |
| Highest frequency | 40,000 Hz | — |
| Impedance | 18 Ω | — |
| Sensitivity | 38 dB | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | 6 |
| Battery & charging | ||
| Battery life | 11 h | 13 h |
| Battery life with ANC | 6 h | 7 h |
| Total with charging case | 45 h | 52 h |
| Battery capacity | — | 62 mAh |
| Charging time | 1.2 h | 7 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | LHDC, AAC, SBC | LHDC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | — |
| Low-latency game mode | Yes | Yes |
| Design & build | ||
| Weight | 49 g | — |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
