You can use this Worldwide Plug Adapter / USB Charger to charge USB electronic devices (up to 750 watts) in 220/230/240 volt countries. Additionally, it can also provide surge protection and some plug adapter configurations (150 countries, see our World Electric Guide) for appliances under 750 watts that are dual voltage (input 125/250 volts), multi-voltage (input 100-240 volts), or with transformers under 750 watts.Worldwide** Plug Adapter and USB Charger Features: