Rubility Cannice Y3 Running Sport Wireless Bluetooth Earphone In-ear Earplugs Headphone Stereo Audio Double Track Headset for Smartphones (Black) The original inspiration of this headphone comes from the floating feather in the movie Forrest Gump The feather appearance modeling perfectly blend life and art, combine abstraction and concretion, shows you a rich sense of design It well and truly reproduces an excellent music environment, brings you an amazing, live performance Water-proof, sweat-proof and winding-proof, is masterfully engineered in it Designed for a variety of intense sports such as running, biking, skiing and so on. Immerse yourself in a pure beautiful melody, arouse your sprit, feel the beat and express my LOHAS attitude