vs
5.7Noise control & calls8.7
9.3Battery8.2
Why is Tune 255NC better than Buds Air7?
- Battery life with ANC12 h vs 7 h+71%
- Charging time2 h vs 7 h3.5×
- Battery capacity65 mAh vs 62 mAh+5%
Why is Buds Air7 better than Tune 255NC?
- Battery life12 h vs 13 h+8%
- Water resistance (IPx)IPx4 vs IPx5+25%
- Total with charging case48 h vs 52 h+8%
- Driver size10 mm vs 12.4 mm+24%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | 10 mm | 12.4 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | — |
| Sensitivity | 100 dB | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 6 |
| Battery & charging | ||
| Battery life | 12 h | 13 h |
| Battery life with ANC | 12 h | 7 h |
| Total with charging case | 48 h | 52 h |
| Battery capacity | 65 mAh | 62 mAh |
| Charging time | 2 h | 7 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | — | LHDC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | — |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 52 g | — |
| Protection rating | IP54 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
