In fact, it is an exercise work, that is, Bluetooth headset, and there is no new concept. It is purely to practice skills and don't let it fall. It is completely a personal subjective product. What I think is that the light bar will follow the rhythm when listening to music. Although I can't see it, I just want to be handsome and show it to others. Then it seems like there is no more. Don't spray, ha, ha, ha, there are also metal brushed lines. There are sensor keys.

This is the marquee effect, is to non-mainstream to cool