The open air conduction earphone adopts the integrated streamline ear hook design, adopts a smaller sound unit, reduces the volume of the ear part, and redesigns the man-machine wearing of the earphone, so that the earphone is stable and without feeling. The main body is skin-friendly matte texture, the acoustic end is treated with bright surface contrast color, and the battery tail plug is electroplated to improve the level of detail. Provide multi-color low-saturation appearance, with the same style charging warehouse, suitable for sports, commuting, daily and other diverse life scenes.