Koss UR29 Collapsible Portable Headphones, Standard Packaging Black, Silver
- Frequency Response - 4 Hz to 40000 Hz and Impedance - 16 ohms.
- High fidelity stereophone utilizes an anisotropic magnet and 1.4 mil mylar element for deep bass and treble clarity.
- Collapsible design for protective storage and maximum portability when listening on the go.