Vivanco SR18
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| Design: | Liners |
| Description: | Design: in-ear, device type: wired headphones, acoustic design type: open, functions: volume control |
| Additional Information: | The plug is L-shaped. |
| Functions: | Volume control |
| Device type: | Wired headphones |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Type of acoustic design: | Open |