The purple Dri Cat Neck it for Galaxy S III & S4 from EK USA is a 100% waterproof case that has been designed for the Galaxy S III and S4. It has a detachable lanyard. The Dri Cat is easy to use and allows your device to be fully functional. You need to simply place your device in the waterproof shell and clamp shut. The silicone shield allows you to capture photos, shoot video, make calls, or listen to music, while your phone stays secured in the protective case. The Dri Cat allows Galaxy S III/S4 users to confidently venture out into aquatic areas.