eSellerbox Defender Series Hard Case Cover for Apple Iphone 4 4s (Gray&Yellow) Compatibility: iPhone 4/4S(Any GB) Three layers of defense include a polycarbonate shell Complete functionality is retained through the Defender Series, including speaker, microphone, camera and flash Built-in screen protector Rubber plug covers prevent dust, dirt and debris from the main openings of the device, including volume controls, power button, and headphone jack