Vacuum on the postcard March 8, 11 x 20.8 cm
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| Design: | Intracanal |
| Description: | Design: in-ear, device type: wired headphones, acoustic design type: open |
| Sensitivity: | 105 dB |
| Device type: | Wired headphones |
| Mount type: | Without attachment |
| Type of acoustic design: | Open |