Cooligg 4 Port Wall Charger Power Adapter enables fast charging and is 4 port hub. It can simultaneously charge 4 devices with different amperes. The Micro-USB wall charger rapidly charges your mobile with safety without over-heating. This charger charges your phone quickly and effectively. It charges through 3.2 amperes of speed. The input AC voltage is 100 to 240 volts, and the wattage output is 9 watts. It is lightweight, i.e. 170 grams, and portable. The adapter is stable and widely compatible. Its portability makes it travel-friendly.