... ~240V,50~60Hz. DC 12~24V2,Output Voltage and Current: Travel Charger: DC5.0±0.25V, 1000±100mA3,Plug Tpye: US ... is blue when plug it into AC100~240V,50~60Hz socket, so power is well connected.2, Original USB cable is ... , or quantity in future production, please refer to update ones. Travel Charger for iphone 4