Earphones with a natural-shaped fit wing earpiece that fits your ears. Other earpieces come with standard earpieces. Three sizes are included for each, so you can choose your favorite fit. In addition, a cord with a winding mechanism that can adjust the length is adopted. It also comes with a clip, so you can use it by fastening it to your clothes. In addition, the plug has an L-shaped structure with a special structure that is hard to break and has a special notch to reduce the bending load.