Vivanco TV49
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| Design: | Invoices |
| Description: | Design: on-ear, device type: wired headphones, plug connector: mini jack 3.5 mm, acoustic design type: open, functions: volume control |
| Plug connector: | mini jack 3.5 mm |
| Functions: | Volume control |
| Included: | Adapter 6.3 mm |
| Length of cable: | 4 m |
| Device type: | Wired headphones |
| Mount type: | Headband |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Technology: | Dynamic |
| Type of acoustic design: | Open |