The ultimate retro headphones created by Retrospekt and Koss, feature an adjustable and flexible metal band and state-of-the-art Koss sound drivers wrapped in the perfect shade of orange foam. Primed for acoustical and visual delight, you no longer have to choose between high-quality sound reproduction and classic styling. Powered by Koss technology, these stereophones offer state-of-the-art sound reproduction and intensity for unmatched sonic richness. Specs: - Cord Length: 4 ft Cord - Plug: 3.5 mm Plug - Frequency Response: 30-17,000 Hz - Impedance: 32 Ohms - Sensitivity: 104 dB SPL