The Home or Away Dual USB Charging Kit is especially designed to provide high-speed dual USB charging of your smartphones, tablets or other mobile devices during international travel. The USB charger is fitted with a folding 2-prong USA style plug that accepts the included European, United Kingdom or Australian Snap-On plug adapters. This combination of adapters supports the power requirements of over 150 countries. The auto-switching feature will automatically detect and switch to the correct voltage used by the country you are in. The Dual USB charger is compatible with all common international power voltages supporting 100 volts to 240 volts of input power. Featuring fast 3.4A charging, the charging kit will quickly charge all models of tablets and smartphones.