Why is Air 2 better than C30i?
- Water resistance (IPx)IPx7 vs IPx4+75%
- Total with charging case40 h vs 30 h+33%
Why is C30i better than Air 2?
- Battery life9 h vs 10 h+11%
- Driver size10 mm vs 12 mm+20%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | 10 mm | 12 mm |
| Number of drivers | — | 1 |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | — | No |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 10 h |
| Total with charging case | 40 h | 30 h |
| Battery capacity | 40 mAh | — |
| Charging time | 1.5 h | — |
| Quick charge (claimed) | — | 10 min → 5 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | LDAC, SBC | LDAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Protection rating | IPX7 | IPX4 |
| Water resistance (IPx) | IPx7 | IPx4 |
| Colours | — | White, Black |
| Features | ||
| Touch controls | Yes | Yes |









