Why is LBT-TWS19 better than TAT2520?
- Battery life4.5 h vs 4 h+12%
- Charging time1 h vs 2 h2×
Why is TAT2520 better than LBT-TWS19?
- Bluetooth version5.2 vs 5.4+4%
- Driver size6 mm vs 10 mm+67%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver size | 6 mm | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 107 dB |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Microphones | — | 2 |
| Battery & charging | ||
| Battery life | 4.5 h | 4 h |
| Battery life with ANC | — | 4 h |
| Total with charging case | — | 14 h |
| Battery capacity | — | 40 mAh |
| Charging time | 1 h | 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 3.3 g | — |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
