The design of B18 transformable power bank is remarkeble.It is very different from existing products. B18 greatly improved the non-portability, 20 * 73 * 143mm mini stature, weight 248 grams, it is foldable stuffed small pocket, can be placed flat backpack, can be used for phone holder wihile charging. The shell of B18 was made by silicone injection molding, save a lot of costs, slip resistance, water resistance, Drop resistance. Since listing,a million B18 have been sold to all over the world.

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