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This is a one-piece smart watches. It is simple and clear. Although it is an integral but this smart watch every parts can be remove the change Such as: strap, apparent...
We according to applicable people are teenagers, so it is rich in color, selective a lot of, also can selective replacement material, can according to the collocation of clothing. In order to express the green environmental protection, the recyclable material is choose.
Xi‘an University of Technology