There are many color lines in the factory, and the interface is a standard interface. The factory itself can change lines freely or other earphone lines;
You haven't talked about the point yet. Changing wires can upgrade the balance wires, such as single crystal copper wires. The sound quality will become better and the potential of headphones will be better developed.
In this way, it is not easy to deal with the problem of waterproof
It is necessary to explain the meaning of changing lines.
The texture is great.
What is the meaning of changing the line... It also destroys the overall appearance and is not good-looking.
Sense
Beautiful!