* abs & aluminum polished all in one tooling; 3 port usb output: total 4.5a Built-in smart charge technology Supports battery charge 1.2 standard. * input:12v * low heat * over current protection * cnc aluminum design * ultra slim size, length:56vmm * max current: Port a: max 1.5a for all device Port b: max 1.5a for all device Port c: max 1.5a for all device Polyster packing