- Special shell design, let your earphone special and fashion, waterproof and sweatproof technology give you more situation option to use the headphone - Clear Great sound includes full range audio, noise isolation technology gives you premium music enjoy experience. - Hands-free calls with built-in Mic, Wired controls include volume, calling, and music. - 3.5 mm plug fit for most of electronic device, long cord threds comfortably through clothing and bags.