Works with iPhone 4 / 4S. A great way to keep your smartphone close at hand for communication or to use it as a GPS on long journeys. This pack includes a foam body for protection and a clear touch window for viewing the phone screen. Water- and shock-resistant construction. WARNING: do not store your smartphone in DryBag for long periods in direct sunlight or in hot environments. Please refer to your smartphone's Important Product Information Guide for operating temperatures. High temperature warning: Prolonged use of your smartphone in DryBag in direct sunlight may cause the smartphone to overheat and stop working properly. If this happens, remove your smartphone from DryBag and move it to a cooler environment. Allow it to cool completely before resuming use.