eBerry&reg; Ergonomic Noodle Cable Lightweight Stereo In-ear Waterproof Sports Earphone Microphone Earbuds with Noise Cancellation, Sound Insulation, Fit for Computer/Smart Phones and etc. (Blue) Ergonomic design, unique shark fin appearance, touch your cochlear more closely, when you are exercising, our in-ear earphone is not easy to fall off with noise cancellation function. Noodle cable is tangle free. In-ear design come true sound insulation more effectively, dont have harsh noises caused by rubbing which we call stethoscope effect professionally, which is distinguish from the traditional in-ear earphone. Lightweight design, portable when you are doing outdoor sports, compatible with various types of equipment such as smart phone, other media player and etc. Our earphone is waterproof, sweat-proof, not easy to fall off, making it more durable and more convenient when running or sporting. Advanced technology, composite film sound component so that you can enjoy high quality voice and super bass music without distractions.