Why is LBT-TWS15 better than LBT-TWS19?
- Battery life5.5 h vs 4.5 h+22%
- Driver size10 mm vs 6 mm+67%
Why is LBT-TWS19 better than LBT-TWS15?
- Charging time1.5 h vs 1 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | — |
| Driver size | 10 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 5.5 h | 4.5 h |
| Charging time | 1.5 h | 1 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 3.3 g | 3.3 g |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
