Why is AeroFit 2 better than TW-E3C?
- Battery life10 h vs 9 h+11%
- Total with charging case42 h vs 24 h+75%
- Driver size16.2 mm vs 6 mm2.7×
- Charging time1 h vs 2 h2×
- LDACYes · TW-E3C: No
- Bluetooth version5.4 vs 5.2+4%
Why is TW-E3C better than AeroFit 2?
- aptXNo · AeroFit 2: Yes
- Earbud weight (each)10 g vs 5 g2×
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 16.2 mm | 6 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Transparency / ambient mode | — | Yes |
| Microphones | 4 | — |
| Battery & charging | ||
| Battery life | 10 h | 9 h |
| Total with charging case | 42 h | 24 h |
| Charging time | 1 h | 2 h |
| Quick charge (claimed) | 10 min → 4 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.2 |
| Bluetooth codecs | LDAC | aptX Adaptive, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 10 g | 5 g |
| Protection rating | IP55 | IPX5 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | — |
| Colours | Midnight Black, Pearl White, Minty Green, Midnight Blue, Brown | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









