Use this Universal Power Adaptor to 150+ countries, fits with US UK EU CHINA outlets. This USB wall charger comes in one piece, and where many european to american adapter comes in many pieces. This is the only travel plug adapter you will need! Dual USB is not enough these days, you need a power plug adapter that will charge two phones, a tablet and camera when you go travel. Get the 4 Port USB world travel adapter today and save the headache.