4.1Battery2.6
Why is FW1 FIO-FW1 better than TW-E3A?
- Battery life7 h vs 6 h+17%
Why is TW-E3A better than FW1 FIO-FW1?
TW-E3A has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | Balanced armature | Dynamic |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Noise control | ||
| Active noise cancelling | — | No |
| Battery & charging | ||
| Battery life | 7 h | 6 h |
| Total with charging case | — | 24 h |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | aptX, AAC, SBC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | Yes | Yes |
| LDAC | No | No |
| USB-C | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Earbud weight (each) | 4.3 g | — |
| Protection rating | — | IPX5 |
| Water resistance (IPx) | — | IPx5 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |








