vs
Why is Rail better than Airy TWS 2?
- Water resistance (IPx)IPx5 vs IPx4+25%
- Bluetooth version5.2 vs 5+4%
Why is Airy TWS 2 better than Rail?
Airy TWS 2 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 6 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | — |
| Sensitivity | 100 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | — | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 9 h |
| Total with charging case | — | 42 h |
| Quick charge (claimed) | — | 10 min → 1 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | — | AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Weight | 49 g | — |
| Protection rating | IP55 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | — |
