Tech ICS 48W QC3.0 Mobile Phone Fast Charger with 4 USB port has ultra-power functions. It has some comprehensive services, such as 4 USB ports pump out total 48 watts of power and allow charging up to 4 devices simultaneously at full speed. Support QC 3.0 fast charging compatible with USB-charged devices like smartphones, Bluetooth, earphone, tablet and multiple devices. It is made of fire-resistance PC shell and 100% copper wire. Overheat, overcharge, overcurrent, overload, surge, short circuit protection, protects your devices automatically and greatly extending the battery lifetime of your devices.