Advanced Driver and Circuitry Design for Superb Bass, Clear Mids and Highs, Creates High-Precision Audio Balance * iPhone® Ready: Compatible with iPhone 4G and 3GS, iPad® and iPod® * Ultra-Comfort, In-Ear Design Seals Music In and Noise Out * Tangle-Resistant Cable Design with Cord Manager for Hassle-Free, Customized Fit * Sleek Folding Design for Easy Storage & Protective Road Case for Convenience and Storage.