AspenTek Dual USB Universal Travel Wall Charger Adapter with Us Uk Eu and Au Plug Built in for Smartphones Iphone Ipad Samsung Galaxy S5/s4/s3/s2 Galaxy Note 2 PDA Mobile Phones Input: AC 100V-240V,6.3A;DC output5V,1000mA Size:54x50x70MM Built in 4 International plug adapters (US, UK, EU & AU) for international travel Max power:1300W at 220V;650W at 110V 2 port USB interface;the device can simultaneously charge two device at the same time