vs
5.7Noise control & calls6.1
9.3Battery6.3
4.1Build & features3.8
Why is Tune 255NC better than AeroClip?
- Battery life12 h vs 8 h+50%
- Total with charging case48 h vs 32 h+50%
Why is AeroClip better than Tune 255NC?
- Charging time2 h vs 1 h2×
- Driver size10 mm vs 12 mm+20%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | 10 mm | 12 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 100 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 12 h | 8 h |
| Battery life with ANC | 12 h | — |
| Total with charging case | 48 h | 32 h |
| Battery capacity | 65 mAh | — |
| Charging time | 2 h | 1 h |
| Quick charge (claimed) | — | 10 min → 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | — | LDAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 52 g | — |
| Earbud weight (each) | — | 5.9 g |
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black | Glacier Blue, Midnight Black, Champagne Mist, Rosy Brown |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
