The 4-in-1 one AC charger kit is very useful and convenient for Ipod / cellphone/MP3 and many other devices. There are 4 USB ports to charge 4 devices at the same time. There comes with US / US / UK / AU adapter plug. They are very convenient for you to charge your devices as you are travelling in this areas. With one useful charger adapter kit you can charge many devices in different areas. Quantity 1 Piece Color Black Material PC Power Plug EU plug US plug UK plug AU plug Compatible Models Iphone iPod MP3 and other cellphones Input 100~240V Output Voltage 5 V Output Current USB1:2100mA USB2:1000mA USB3:660mA USB4:500mA mA Output Power 0.5 W Features with UK US EU AU standard AC plugs can be exchanged. With 4 USB port Can charge 4 devices simultaneously Other over-power/short circuit/over-current protection Packing List 1 x Power adapter 1 x EU plug 1 x US plug 1 x UK plug 1 x AU plug 1 x English user manual