Why is LBT-TWS15 better than A20i?
LBT-TWS15 has no measurable advantages in this pair.
Why is A20i better than LBT-TWS15?
- Battery life5.5 h vs 9 h+64%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 5.5 h | 9 h |
| Total with charging case | — | 28 h |
| Charging time | 1.5 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 3.3 g | — |
| Colours | — | Black, White, Purple |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
