This is an open Bluetooth headset, which allows you to communicate with people around you without any influence when wearing and using it, perceive the sound around you, communicate on the phone without scruples during exercise, and enjoy music without pressing the pause button for exercise.
Inspired by the moment when women tie their hair, when women tie their hair, it is usually completed in a very short moment, which is short and efficient, and the average girl's hair tie up also means that she needs to use her skills, which is highly consistent with the sports spirit.