For Trident Kraken iPhone 4 Hard Case Cover BLACK Ergonomically designed to fit the contour of your hand for a nonslip comfortable hold. Anti-scratch, anti-glare clear PET screen protector will keep your screen from unsightly finger prints, smudges, and scratches; also moisture resistant with complete touch screen interactivity. Anti-dust design with silicone covers for unimpeded access to headphone jack, switches, sensors, and dock connector. Audio jack extender included to provide 100% compatible connection to ALL types of 3.5mm audio jacks.