RocFly power charger Adapter 5.2V 2.5A 13W Charger for Microsoft Surface 3, Windows 8 10 Tablet Power Supply Cord Power: Input 120V-240V/ 50-60Hz Output :5.2V 2.5A 13W Short circuit, over current protection, over voltage protection, over temperature Electromagnetic immunity and high charging speed Easy to carry, ideal for travelling It is of high quality and one of the best Microsoft Surface 3 accessories.