vs
6.8Sound5.6
7.7Battery6.9
8.4Build & features7.1
Why is LIVE Buds 4 better than AeroFit 2 AI Assistant?
- Battery life10 h vs 8.5 h+18%
- Earbud weight (each)4.8 g vs 10 g2.1×
- Highest frequency40,000 Hz vs 20,000 Hz2×
- Bluetooth version6 vs 5.4+11%
Why is AeroFit 2 AI Assistant better than LIVE Buds 4?
- Charging time2 h vs 1 h2×
- Driver size10 mm vs 11.5 mm+15%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 11.5 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 106 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 8.5 h |
| Battery life with ANC | 8 h | — |
| Total with charging case | — | 35 h |
| Charging time | 2 h | 1 h |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.4 |
| Bluetooth codecs | LDAC, LC3, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 4.8 g | 10 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Jet Black, Pearl White, Sage Green |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









