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.

With an extremely forward looking, and unique design, this headphone is destined to be duplicated by others.

At the time this product was brought to market it was the first, and only Collapsible StreetStyle Headphone on the market, so all of the others out there are imitators.

* Frequency response 40-20,000 Hz

* Dynamic Element for Extended Frequency Response

* Collapsible, fold up design for maximum portability and protective storage

* Foam Ear Cushions for Open Hear Through Sound

* Straight Single Entry 4 Foot Cord