vs
2.4Battery6.8
6.7Build & features7.0
Why is HP-C28BTF better than AeroFit 2 AI Assistant?
- Earbud weight (each)3 g vs 10 g3.3×
Why is AeroFit 2 AI Assistant better than HP-C28BTF?
- Battery life3.5 h vs 8.5 h2.4×
- Hi-res codec (LDAC / aptX HD / LHDC)No · HP-C28BTF: Yes
- Water resistance (IPx)IPx4 vs IPx5+25%
- LDACNo · HP-C28BTF: Yes
- Driver size6.1 mm vs 11.5 mm+89%
- Charging time1.5 h vs 1 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 6.1 mm | 11.5 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 90 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Battery & charging | ||
| Battery life | 3.5 h | 8.5 h |
| Total with charging case | — | 35 h |
| Charging time | 1.5 h | 1 h |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 3 g | 10 g |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Jet Black, Pearl White, Sage Green |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
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