Rocketfish&trade; Mobile - Armband Case for Apple&reg; iPhone&reg; 5 and 5s - Black Compatible with Apple iPhone 5 and 5s: For a customized fit.Soft material: Ensures comfortable wear during extended workout sessions or when you're on the go.Adjustable armband: Provides a customized fit.Touch-compatible screen: Makes it easy to control your device without removing the case.Cord management: Helps prevent tangles.