Power
| Battery operated |
Y |
| USB charging port |
Y |
Features
| Headphone frequency |
20 - 20000 Hz |
| Device interface |
Bluetooth |
Additionally
| Wireless technologies |
Wireless |
Kraun WK.28. Connectivity technology: Wireless, Device interface: Bluetooth, Headphone frequency: 20 - 20000 Hz. Cables included: USB