Why is K2 better than BTH12?
- Bluetooth version5.4 vs 5+8%
Why is BTH12 better than K2?
BTH12 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 40 mm | 40 mm |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 40 h | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | 2.5 h | — |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5 |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Features | ||
| Hands-free calls | — | Yes |





