Almost the world's [smallest] earphones, fully taking into account the differences between female ear canals and men, are small and comfortable in design. A "specially designed for distinguished women" earphone to meet women's high demand for earphone decoration effect. Taking into account the [high sound quality] of the very small cavity]. The patented design of unit cavity integration greatly improves the transmission efficiency of sound. A softer copper-clad silver wire is used inside the unit to ensure the purity of the sound.