Why is RB-C10 better than HP-C28BTF?
- Battery life7 h vs 3.5 h2×
- Driver size11 mm vs 6.1 mm+80%
Why is HP-C28BTF better than RB-C10?
- Earbud weight (each)5.5 g vs 3 g+83%
- Charging time2.5 h vs 1.5 h+67%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | — | Dynamic |
| Driver size | 11 mm | 6.1 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 90 dB |
| Battery & charging | ||
| Battery life | 7 h | 3.5 h |
| Charging time | 2.5 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 5.5 g | 3 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |








