H2O Audio XC1-BK Amphibx Go Waterproof Case for Smartphones and MP3 Players (Black) (Discontinued by Manufacturer) Powered by H20 Audio, this case holds your smartphone for swimming or other sports Fits iPhone 5, Blackberry, and most Android phones Go ring attaches to bag, armband, jacket, and more Waterproof and sweatproof, with ClearTouch pounch to access smartphone functions Floats in water for easy retrieval