Why is FD3 better than Airy Open TWS?
- Lowest frequency10 Hz vs 70 Hz7×
- Highest frequency40,000 Hz vs 16,000 Hz2.5×
Why is Airy Open TWS better than FD3?
Airy Open TWS has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Bone conduction |
| Ear cup design | Semi-open | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 14 mm |
| Lowest frequency | 10 Hz | 70 Hz |
| Highest frequency | 40,000 Hz | 16,000 Hz |
| Impedance | 32 Ω | — |
| Sensitivity | 111 dB | — |
| Hi-Res Audio | Yes | — |
| Battery & charging | ||
| Battery life | — | 6 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.3 |
| Multipoint (two devices) | — | Yes |
| Design & build | ||
| Weight | 7 g | — |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Features | ||
| Hands-free calls | — | Yes |
