Kraken II for iPhone 4 (Compatible with iPhone 4S)/A.M.S. CaseKEY FEATURES:Hardened Polycarbonate The tough outer-casing provides a stylish and rugged surface for maximum protection. Impact-Resistant Silicone The double-thick silicone corners protect the device from accidents.Interchangeable Kickstand* (for all Kraken II/AMS Cases)A slide-lock feature in the back can easily be removed to fit interchangeable accessories. Standard Built-in Kickstand (Standard Kraken)The aluminum kickstand allows users to view media with comfort and ease. Built-In Screen ProtectorThe high quality, scratch-resistant screen protector helps keep out dirt and moisture.Silicone PlugsPower ports and audio jacks are covered with silicone, keeping out dirt and debris.Dust FiltersHigh-quality dust filters prevent unwanted dust and debris from entering the device. Belt Clip/HolsterThe Belt Clip/Holster provides security and easy access to the device.Easy DockingThe silicone sleeve on the bottom opens up to bend backwards for easy docking.Two Cases in One FeatureThe polycarbonate exterior can be taken apart, transforming a Kraken II into a Perseus silicone cover for use in casual settings.Interchangeable Accessories: (each sold separately) The interchangeable kickstand has a slide-lock feature which can easily be removed to fit various accessories. Each accessory is compatible with all A.M.S cases. Car Mount Tripod Mount Bike Rail Clip