Koss Porta Pro KTC Ultimate Portable Headphone for iPod, iPhone and iPad

Portable Headphone with remote and microphone technology for iPad, iPhone, and iPod. For further product query or troubleshooting assistance please contact 414-967-1512 Features: * Ultimate sound and comfort for music lovers. Connectivity Technology: Wired * KTC - remote and microphone control features made for iPod, iPhone, and iPod * Adjustable Headband for maximum comfort * Collapsible design for convenient storage, includes carrying case. * Frequency response 15-25,000Hz, 101db SPL sensitivity, 3.5 mm plug