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Thin headset in your pocket is easily entwined, the primary reason is that the two branches wrapped. Zipper bag with data ports for inspiration, and put it into the product semantics, data and headphone cable zipper bags combine the two branches like the headphone cable kits that pull up the blockade, combined as a line is not easy to wound. When listening to music,you can opene it,it is easy to use.
Hebei University of Technology,China