Vivanco FMH7700
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| Design: | Invoices |
| Description: | Design: on-ear, device type: wireless headphones, acoustic design type: open |
| Additional Information: | Range: 100 m; Wireless transmitter: yes; Data link: radio channel |
| Device type: | Wireless headphones |
| Mount type: | Headband |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Technology: | Dynamic |
| Type of acoustic design: | Open |
| Wireless connection type: | Radio channel |