The Aquapac AQUA-158 Radio Microphone Case (Clear) is a UV stabilized TPU case designed for use with connected electronics with a wire up to 0.1" (2.5 mm) thick. It uses a TC Aquaclip that allows a wire to go out of the case, but keeps the electronics protected from water, sand and grit in the worst conditions. With normal use, sound and signal pass right through the material. It is fully functional between +122 degrees Fahrenheit and -40 degrees Fahrenheit. The case will float safely if dropped into the water.