Jack arrangement, plugs not disturbing each other, rational use of space. Integrated three-port USB and three five-hole GB plugs. Small volume, can replace a number of charging heads and bloated dragline boards, portable, can be conveniently placed in a backpack or even a pocket. Products using a new, upgraded PC alloy material, making for good stability, fire retardance, impact resistance and anti-crack protection. Injection mold using advanced four-sided slider technology, so that the overall product has a zero-degree draft angle. Internal high-quality copper, good conduction, low temperature, sophisticated technology.