This travel adapter is perfect for travelers visiting Switzerland. It allows you to connect up to 3 devices simultaneously, including a grounded outlet and 2 USB ports. Compact and lightweight, it measures 47*47*83mm and weighs only 72g, making it easy to carry in your bag. CE Certified & RoHS Compliant, it ensures safety and quality. Works great with cell phones, cameras, laptops, tablets, iPad, iPhone and more. Note that it's just a travel adapter and won't work with devices that need a voltage converter. It only works with dual voltage products.