vs
2.4Battery9.6
Why is HP-C28BTF better than Buds Air 8?
- Charging time1.5 h vs 2 h+33%
Why is Buds Air 8 better than HP-C28BTF?
- Battery life3.5 h vs 14 h4×
- Hi-res codec (LDAC / aptX HD / LHDC)No · HP-C28BTF: Yes
- Water resistance (IPx)IPx4 vs IPx5+25%
- Driver size6.1 mm vs 11 mm+80%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 6.1 mm | 11 mm |
| Number of drivers | — | 2 |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | — |
| Sensitivity | 90 dB | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 3.5 h | 14 h |
| Battery life with ANC | — | 30 h |
| Total with charging case | — | 58 h |
| Battery capacity | — | 62 mAh |
| Charging time | 1.5 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | AAC, SBC | LHDC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 3 g | — |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
