3.1Battery2.2
Why is LBT-TWS19 better than ITW-4000-2?
- Battery life4.5 h vs 4 h+12%
- Charging time1 h vs 1.8 h+80%
Why is ITW-4000-2 better than LBT-TWS19?
- Driver size6 mm vs 10 mm+67%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 6 mm | 10 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | — | 32 Ω |
| Noise control | ||
| Active noise cancelling | — | No |
| Battery & charging | ||
| Battery life | 4.5 h | 4 h |
| Total with charging case | — | 16 h |
| Charging time | 1 h | 1.8 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | — |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 3.3 g | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
