vs
4.4Noise control & calls3.1
3.9Battery6.8
Why is OpenFit Air better than StereoMan ISI 3?
- Charging time1 h vs 3 h3×
Why is StereoMan ISI 3 better than OpenFit Air?
- Battery life6 h vs 9 h+50%
- Battery capacity40 mAh vs 700 mAh17.5×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | — |
| Number of drivers | — | 1 |
| Lowest frequency | 50 Hz | — |
| Highest frequency | 16,000 Hz | — |
| Sensitivity | 96 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 6 h | 9 h |
| Total with charging case | 20 h | — |
| Battery capacity | 40 mAh | 700 mAh |
| Charging time | 1 h | 3 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | — | 64 g |
| Earbud weight (each) | 8.7 g | — |
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 5 | — |
| Colours | Black, White, Pink | — |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
