vs
3.7Battery6.0
4.2Build & features7.3
Why is RB-C10 better than OpenFit Air 2?
- Earbud weight (each)5.5 g vs 7.2 g+31%
Why is OpenFit Air 2 better than RB-C10?
- Battery life7 h vs 8 h+14%
- Water resistance (IPx)IPx4 vs IPx5+25%
- Driver size11 mm vs 11.8 mm+7%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | Open-ear |
| Ear cup design | Open-back | Open-back |
| Driver size | 11 mm | 11.8 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | — | 98 dB |
| Adjustable equaliser | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 8 h |
| Total with charging case | — | 36 h |
| Charging time | 2.5 h | — |
| Quick charge (claimed) | — | 10 min → 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 6.1 |
| 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 | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 5.5 g | 7.2 g |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black, Ice Blue, White |
| Features | ||
| Hands-free calls | Yes | Yes |









