The curved surface fits naturally and does not press on the ears even after long-term wearing
It naturally fits the curved surface of your earlobe as if it were a whole and is not easy to produce even after long-term wearing and use
Feeling pain
Triangular stable motion is not easy to fall off
Taking advantage of the characteristics of the human ear, it is as stable as a gemstone setting and is hard to fall even during a 100-meter dash.