“ Koss KTX 8 - Headphones ( semi-open ) „
A portable headphone is a headphone that is used on the go. Portable headphones tend to be smaller, more lightweight, and may have features that lend themselves to listening on the go, like carrying cases or collapsible headbands.
Frequency Response: 40-20,000 Hz;
Lightweight, portable stereophone for music on the go;
Collapsible design for easy storage and portability;
Volume control on the cord for easy level adjustment;
Straight dual entry 4-foot cord.