Suitable for use with the most common 2 and 3 pin / blade plugs, this non-earthed universal adaptor twin USB charger connects travellers to over 150 countries worldwide. It features 4 sliding pins that alternate between American, British, Australian and European configurations, and 2 USB ports with a 2.4A auto-regulating power output when dual charging (this travel adaptor is suitable for use with small electrical appliances rated up to 2.5A/250V. Do not use with hairdryers).