Sporting a lighter weight, yet highly durable design packed with PRO audio prowess, the SL 100 lets you cut out the everyday noise and lets your soul get lost in the music while you turn heads with your taste for style. Product Features Advanced Driver and Circuitry DesignSuperb Bass, Clear Mids and Highs, Creates High-Percision Audio Balance Smart Phone Ready Compatible with most smartphones and multimedia devices with a 1/8\" (3.5mm) or 1/4\" headphone input jack, including iPhone® 4G and 3GS, iPad™ And Storage Sleek folding design for easy storage Protective road case for convenience and storage Protective Road Case Convenience and Storage Straight Audio Cable With In-Line Remote Control and Standard Straight Audio Cable ComfortFull Ear Cup Articulation Ensures the Best and Most Comfortable Fit Every Time Active Noise Cancelling Technology World Class Active Noise Cancelling Technology, Eliminates Unwanted Sounds and Noises Music Playback In Passive Mode after Battery has Been Drained Illuminated Earcup Badge